Home / 527,387.90-727,743.15-294,771.29

Finding the Fourth Proportional to 527,387.90, 727,743.15 and 294,771.29

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Solution

The fourth proportional to 527,387.90, 727,743.15 and 294,771.29 is: 406,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,387.90 : 727,743.15 = 294,771.29 : x
  2. Step 2: Convert to fraction form
    527,387.90/727,743.15 = 294,771.29/x
  3. Step 3: Cross multiply
    527,387.90x = 727,743.15 × 294,771.29
  4. Step 4: Simplify right side
    527,387.90x = 214,517,783,475.45
  5. Step 5: Solve for x
    x = 214,517,783,475.45/527,387.90
  6. Step 6: Final answer
    x = 406,755.23

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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.