Home / 801,374.52-1,105,897.26-499,569.72

Finding the Fourth Proportional to 801,374.52, 1,105,897.26 and 499,569.72

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Solution

The fourth proportional to 801,374.52, 1,105,897.26 and 499,569.72 is: 689,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,374.52 : 1,105,897.26 = 499,569.72 : x
  2. Step 2: Convert to fraction form
    801,374.52/1,105,897.26 = 499,569.72/x
  3. Step 3: Cross multiply
    801,374.52x = 1,105,897.26 × 499,569.72
  4. Step 4: Simplify right side
    801,374.52x = 552,472,784,526.97
  5. Step 5: Solve for x
    x = 552,472,784,526.97/801,374.52
  6. Step 6: Final answer
    x = 689,406.48

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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.