Home / 804,906.10-1,207,359.15-385,002.10

Finding the Fourth Proportional to 804,906.10, 1,207,359.15 and 385,002.10

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Solution

The fourth proportional to 804,906.10, 1,207,359.15 and 385,002.10 is: 577,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,906.10 : 1,207,359.15 = 385,002.10 : x
  2. Step 2: Convert to fraction form
    804,906.10/1,207,359.15 = 385,002.10/x
  3. Step 3: Cross multiply
    804,906.10x = 1,207,359.15 × 385,002.10
  4. Step 4: Simplify right side
    804,906.10x = 464,835,808,204.22
  5. Step 5: Solve for x
    x = 464,835,808,204.22/804,906.10
  6. Step 6: Final answer
    x = 577,503.15

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Double scale
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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.