Home / 752,693.11-1,038,724.16-408,531.90

Finding the Fourth Proportional to 752,693.11, 1,038,724.16 and 408,531.90

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Solution

The fourth proportional to 752,693.11, 1,038,724.16 and 408,531.90 is: 563,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,693.11 : 1,038,724.16 = 408,531.90 : x
  2. Step 2: Convert to fraction form
    752,693.11/1,038,724.16 = 408,531.90/x
  3. Step 3: Cross multiply
    752,693.11x = 1,038,724.16 × 408,531.90
  4. Step 4: Simplify right side
    752,693.11x = 424,351,956,513.26
  5. Step 5: Solve for x
    x = 424,351,956,513.26/752,693.11
  6. Step 6: Final answer
    x = 563,778.19

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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.