Home / 726,034.73-1,001,781.10-424,170.41

Finding the Fourth Proportional to 726,034.73, 1,001,781.10 and 424,170.41

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Solution

The fourth proportional to 726,034.73, 1,001,781.10 and 424,170.41 is: 585,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,034.73 : 1,001,781.10 = 424,170.41 : x
  2. Step 2: Convert to fraction form
    726,034.73/1,001,781.10 = 424,170.41/x
  3. Step 3: Cross multiply
    726,034.73x = 1,001,781.10 × 424,170.41
  4. Step 4: Simplify right side
    726,034.73x = 424,925,899,917.25
  5. Step 5: Solve for x
    x = 424,925,899,917.25/726,034.73
  6. Step 6: Final answer
    x = 585,269.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.