Home / 731,723.20-1,009,934.88-445,335.52

Finding the Fourth Proportional to 731,723.20, 1,009,934.88 and 445,335.52

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Solution

The fourth proportional to 731,723.20, 1,009,934.88 and 445,335.52 is: 614,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,723.20 : 1,009,934.88 = 445,335.52 : x
  2. Step 2: Convert to fraction form
    731,723.20/1,009,934.88 = 445,335.52/x
  3. Step 3: Cross multiply
    731,723.20x = 1,009,934.88 × 445,335.52
  4. Step 4: Simplify right side
    731,723.20x = 449,759,874,950.94
  5. Step 5: Solve for x
    x = 449,759,874,950.94/731,723.20
  6. Step 6: Final answer
    x = 614,658.49

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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.