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Finding the Fourth Proportional to 617,950.80, 926,062.20 and 491,806.80

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Solution

The fourth proportional to 617,950.80, 926,062.20 and 491,806.80 is: 737,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,950.80 : 926,062.20 = 491,806.80 : x
  2. Step 2: Convert to fraction form
    617,950.80/926,062.20 = 491,806.80/x
  3. Step 3: Cross multiply
    617,950.80x = 926,062.20 × 491,806.80
  4. Step 4: Simplify right side
    617,950.80x = 455,443,687,182.96
  5. Step 5: Solve for x
    x = 455,443,687,182.96/617,950.80
  6. Step 6: Final answer
    x = 737,022.57

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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.