Home / 938,537.74-1,407,806.58-432,949.13

Finding the Fourth Proportional to 938,537.74, 1,407,806.58 and 432,949.13

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Solution

The fourth proportional to 938,537.74, 1,407,806.58 and 432,949.13 is: 649,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,537.74 : 1,407,806.58 = 432,949.13 : x
  2. Step 2: Convert to fraction form
    938,537.74/1,407,806.58 = 432,949.13/x
  3. Step 3: Cross multiply
    938,537.74x = 1,407,806.58 × 432,949.13
  4. Step 4: Simplify right side
    938,537.74x = 609,508,625,897.87
  5. Step 5: Solve for x
    x = 609,508,625,897.87/938,537.74
  6. Step 6: Final answer
    x = 649,423.68

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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.