Home / 858,552.60-1,287,414.18-503,681.88

Finding the Fourth Proportional to 858,552.60, 1,287,414.18 and 503,681.88

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Solution

The fourth proportional to 858,552.60, 1,287,414.18 and 503,681.88 is: 755,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,552.60 : 1,287,414.18 = 503,681.88 : x
  2. Step 2: Convert to fraction form
    858,552.60/1,287,414.18 = 503,681.88/x
  3. Step 3: Cross multiply
    858,552.60x = 1,287,414.18 × 503,681.88
  4. Step 4: Simplify right side
    858,552.60x = 648,447,194,521.06
  5. Step 5: Solve for x
    x = 648,447,194,521.06/858,552.60
  6. Step 6: Final answer
    x = 755,279.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.