Home / 872,552.52-1,308,122.64-392,428.68

Finding the Fourth Proportional to 872,552.52, 1,308,122.64 and 392,428.68

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Solution

The fourth proportional to 872,552.52, 1,308,122.64 and 392,428.68 is: 588,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,552.52 : 1,308,122.64 = 392,428.68 : x
  2. Step 2: Convert to fraction form
    872,552.52/1,308,122.64 = 392,428.68/x
  3. Step 3: Cross multiply
    872,552.52x = 1,308,122.64 × 392,428.68
  4. Step 4: Simplify right side
    872,552.52x = 513,344,840,893.32
  5. Step 5: Solve for x
    x = 513,344,840,893.32/872,552.52
  6. Step 6: Final answer
    x = 588,325.44

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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.