Home / 938,696.31-1,407,209.29-339,524.19

Finding the Fourth Proportional to 938,696.31, 1,407,209.29 and 339,524.19

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Solution

The fourth proportional to 938,696.31, 1,407,209.29 and 339,524.19 is: 508,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,696.31 : 1,407,209.29 = 339,524.19 : x
  2. Step 2: Convert to fraction form
    938,696.31/1,407,209.29 = 339,524.19/x
  3. Step 3: Cross multiply
    938,696.31x = 1,407,209.29 × 339,524.19
  4. Step 4: Simplify right side
    938,696.31x = 477,781,593,498.92
  5. Step 5: Solve for x
    x = 477,781,593,498.92/938,696.31
  6. Step 6: Final answer
    x = 508,984.20

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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.