Home / 527,022.38-727,291.10-285,304.94

Finding the Fourth Proportional to 527,022.38, 727,291.10 and 285,304.94

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Solution

The fourth proportional to 527,022.38, 727,291.10 and 285,304.94 is: 393,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,022.38 : 727,291.10 = 285,304.94 : x
  2. Step 2: Convert to fraction form
    527,022.38/727,291.10 = 285,304.94/x
  3. Step 3: Cross multiply
    527,022.38x = 727,291.10 × 285,304.94
  4. Step 4: Simplify right side
    527,022.38x = 207,499,743,648.03
  5. Step 5: Solve for x
    x = 207,499,743,648.03/527,022.38
  6. Step 6: Final answer
    x = 393,720.93

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1.5x scale

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.