Home / 791,337.20-1,187,005.80-371,433.20

Finding the Fourth Proportional to 791,337.20, 1,187,005.80 and 371,433.20

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Solution

The fourth proportional to 791,337.20, 1,187,005.80 and 371,433.20 is: 557,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,337.20 : 1,187,005.80 = 371,433.20 : x
  2. Step 2: Convert to fraction form
    791,337.20/1,187,005.80 = 371,433.20/x
  3. Step 3: Cross multiply
    791,337.20x = 1,187,005.80 × 371,433.20
  4. Step 4: Simplify right side
    791,337.20x = 440,893,362,712.56
  5. Step 5: Solve for x
    x = 440,893,362,712.56/791,337.20
  6. Step 6: Final answer
    x = 557,149.80

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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.