Home / 951,202.31-1,312,658.87-521,473.21

Finding the Fourth Proportional to 951,202.31, 1,312,658.87 and 521,473.21

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Solution

The fourth proportional to 951,202.31, 1,312,658.87 and 521,473.21 is: 719,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,202.31 : 1,312,658.87 = 521,473.21 : x
  2. Step 2: Convert to fraction form
    951,202.31/1,312,658.87 = 521,473.21/x
  3. Step 3: Cross multiply
    951,202.31x = 1,312,658.87 × 521,473.21
  4. Step 4: Simplify right side
    951,202.31x = 684,516,428,684.86
  5. Step 5: Solve for x
    x = 684,516,428,684.86/951,202.31
  6. Step 6: Final answer
    x = 719,632.85

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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.