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Finding the Fourth Proportional to 542,734.78, 814,102.19 and 371,787.93

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Solution

The fourth proportional to 542,734.78, 814,102.19 and 371,787.93 is: 557,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,734.78 : 814,102.19 = 371,787.93 : x
  2. Step 2: Convert to fraction form
    542,734.78/814,102.19 = 371,787.93/x
  3. Step 3: Cross multiply
    542,734.78x = 814,102.19 × 371,787.93
  4. Step 4: Simplify right side
    542,734.78x = 302,673,368,028.57
  5. Step 5: Solve for x
    x = 302,673,368,028.57/542,734.78
  6. Step 6: Final answer
    x = 557,681.91

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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.