Home / 951,223.31-1,312,687.85-521,494.21

Finding the Fourth Proportional to 951,223.31, 1,312,687.85 and 521,494.21

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Solution

The fourth proportional to 951,223.31, 1,312,687.85 and 521,494.21 is: 719,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,223.31 : 1,312,687.85 = 521,494.21 : x
  2. Step 2: Convert to fraction form
    951,223.31/1,312,687.85 = 521,494.21/x
  3. Step 3: Cross multiply
    951,223.31x = 1,312,687.85 × 521,494.21
  4. Step 4: Simplify right side
    951,223.31x = 684,559,107,423.16
  5. Step 5: Solve for x
    x = 684,559,107,423.16/951,223.31
  6. Step 6: Final answer
    x = 719,661.83

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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.