Home / 938,537.52-1,407,806.25-432,948.90

Finding the Fourth Proportional to 938,537.52, 1,407,806.25 and 432,948.90

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Solution

The fourth proportional to 938,537.52, 1,407,806.25 and 432,948.90 is: 649,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,537.52 : 1,407,806.25 = 432,948.90 : x
  2. Step 2: Convert to fraction form
    938,537.52/1,407,806.25 = 432,948.90/x
  3. Step 3: Cross multiply
    938,537.52x = 1,407,806.25 × 432,948.90
  4. Step 4: Simplify right side
    938,537.52x = 609,508,167,350.63
  5. Step 5: Solve for x
    x = 609,508,167,350.63/938,537.52
  6. Step 6: Final answer
    x = 649,423.34

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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.