Home / 804,401.40-1,206,602.10-305,700.60

Finding the Fourth Proportional to 804,401.40, 1,206,602.10 and 305,700.60

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Solution

The fourth proportional to 804,401.40, 1,206,602.10 and 305,700.60 is: 458,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,401.40 : 1,206,602.10 = 305,700.60 : x
  2. Step 2: Convert to fraction form
    804,401.40/1,206,602.10 = 305,700.60/x
  3. Step 3: Cross multiply
    804,401.40x = 1,206,602.10 × 305,700.60
  4. Step 4: Simplify right side
    804,401.40x = 368,858,985,931.26
  5. Step 5: Solve for x
    x = 368,858,985,931.26/804,401.40
  6. Step 6: Final answer
    x = 458,550.90

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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.