Home / 747,901.61-1,032,100.13-408,367.43

Finding the Fourth Proportional to 747,901.61, 1,032,100.13 and 408,367.43

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Solution

The fourth proportional to 747,901.61, 1,032,100.13 and 408,367.43 is: 563,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,901.61 : 1,032,100.13 = 408,367.43 : x
  2. Step 2: Convert to fraction form
    747,901.61/1,032,100.13 = 408,367.43/x
  3. Step 3: Cross multiply
    747,901.61x = 1,032,100.13 × 408,367.43
  4. Step 4: Simplify right side
    747,901.61x = 421,476,073,451.18
  5. Step 5: Solve for x
    x = 421,476,073,451.18/747,901.61
  6. Step 6: Final answer
    x = 563,544.82

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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.