Home / 752,557.62-1,038,530.19-408,393.55

Finding the Fourth Proportional to 752,557.62, 1,038,530.19 and 408,393.55

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Solution

The fourth proportional to 752,557.62, 1,038,530.19 and 408,393.55 is: 563,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,557.62 : 1,038,530.19 = 408,393.55 : x
  2. Step 2: Convert to fraction form
    752,557.62/1,038,530.19 = 408,393.55/x
  3. Step 3: Cross multiply
    752,557.62x = 1,038,530.19 × 408,393.55
  4. Step 4: Simplify right side
    752,557.62x = 424,129,023,841.66
  5. Step 5: Solve for x
    x = 424,129,023,841.66/752,557.62
  6. Step 6: Final answer
    x = 563,583.46

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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.