Home / 424,206.97-585,403.15-240,480.21

Finding the Fourth Proportional to 424,206.97, 585,403.15 and 240,480.21

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Solution

The fourth proportional to 424,206.97, 585,403.15 and 240,480.21 is: 331,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,206.97 : 585,403.15 = 240,480.21 : x
  2. Step 2: Convert to fraction form
    424,206.97/585,403.15 = 240,480.21/x
  3. Step 3: Cross multiply
    424,206.97x = 585,403.15 × 240,480.21
  4. Step 4: Simplify right side
    424,206.97x = 140,777,872,446.66
  5. Step 5: Solve for x
    x = 140,777,872,446.66/424,206.97
  6. Step 6: Final answer
    x = 331,861.29

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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.