Home / 872,549.52-1,308,118.14-392,425.68

Finding the Fourth Proportional to 872,549.52, 1,308,118.14 and 392,425.68

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Solution

The fourth proportional to 872,549.52, 1,308,118.14 and 392,425.68 is: 588,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,549.52 : 1,308,118.14 = 392,425.68 : x
  2. Step 2: Convert to fraction form
    872,549.52/1,308,118.14 = 392,425.68/x
  3. Step 3: Cross multiply
    872,549.52x = 1,308,118.14 × 392,425.68
  4. Step 4: Simplify right side
    872,549.52x = 513,339,150,609.84
  5. Step 5: Solve for x
    x = 513,339,150,609.84/872,549.52
  6. Step 6: Final answer
    x = 588,320.94

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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.