Home / 938,401.29-1,407,459.38-307,301.13

Finding the Fourth Proportional to 938,401.29, 1,407,459.38 and 307,301.13

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Solution

The fourth proportional to 938,401.29, 1,407,459.38 and 307,301.13 is: 460,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,401.29 : 1,407,459.38 = 307,301.13 : x
  2. Step 2: Convert to fraction form
    938,401.29/1,407,459.38 = 307,301.13/x
  3. Step 3: Cross multiply
    938,401.29x = 1,407,459.38 × 307,301.13
  4. Step 4: Simplify right side
    938,401.29x = 432,513,856,366.59
  5. Step 5: Solve for x
    x = 432,513,856,366.59/938,401.29
  6. Step 6: Final answer
    x = 460,905.01

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Double scale
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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.