Home / 804,901.60-1,207,352.40-384,997.60

Finding the Fourth Proportional to 804,901.60, 1,207,352.40 and 384,997.60

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Solution

The fourth proportional to 804,901.60, 1,207,352.40 and 384,997.60 is: 577,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,901.60 : 1,207,352.40 = 384,997.60 : x
  2. Step 2: Convert to fraction form
    804,901.60/1,207,352.40 = 384,997.60/x
  3. Step 3: Cross multiply
    804,901.60x = 1,207,352.40 × 384,997.60
  4. Step 4: Simplify right side
    804,901.60x = 464,827,776,354.24
  5. Step 5: Solve for x
    x = 464,827,776,354.24/804,901.60
  6. Step 6: Final answer
    x = 577,496.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 804,902.60, 1,207,353.90 and 384,998.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.