Home / 872,522.30-1,308,077.52-392,398.52

Finding the Fourth Proportional to 872,522.30, 1,308,077.52 and 392,398.52

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Solution

The fourth proportional to 872,522.30, 1,308,077.52 and 392,398.52 is: 588,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,522.30 : 1,308,077.52 = 392,398.52 : x
  2. Step 2: Convert to fraction form
    872,522.30/1,308,077.52 = 392,398.52/x
  3. Step 3: Cross multiply
    872,522.30x = 1,308,077.52 × 392,398.52
  4. Step 4: Simplify right side
    872,522.30x = 513,287,676,352.88
  5. Step 5: Solve for x
    x = 513,287,676,352.88/872,522.30
  6. Step 6: Final answer
    x = 588,280.30

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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.