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Finding the Fourth Proportional to 542,580.21, 813,044.12 and 275,941.17

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Solution

The fourth proportional to 542,580.21, 813,044.12 and 275,941.17 is: 413,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,580.21 : 813,044.12 = 275,941.17 : x
  2. Step 2: Convert to fraction form
    542,580.21/813,044.12 = 275,941.17/x
  3. Step 3: Cross multiply
    542,580.21x = 813,044.12 × 275,941.17
  4. Step 4: Simplify right side
    542,580.21x = 224,352,344,354.72
  5. Step 5: Solve for x
    x = 224,352,344,354.72/542,580.21
  6. Step 6: Final answer
    x = 413,491.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.