Home / 527,077.40-727,372.68-285,365.24

Finding the Fourth Proportional to 527,077.40, 727,372.68 and 285,365.24

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Solution

The fourth proportional to 527,077.40, 727,372.68 and 285,365.24 is: 393,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,077.40 : 727,372.68 = 285,365.24 : x
  2. Step 2: Convert to fraction form
    527,077.40/727,372.68 = 285,365.24/x
  3. Step 3: Cross multiply
    527,077.40x = 727,372.68 × 285,365.24
  4. Step 4: Simplify right side
    527,077.40x = 207,566,879,397.64
  5. Step 5: Solve for x
    x = 207,566,879,397.64/527,077.40
  6. Step 6: Final answer
    x = 393,807.21

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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.