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Finding the Fourth Proportional to 496,540.80, 746,366.40 and 487,209.60

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Solution

The fourth proportional to 496,540.80, 746,366.40 and 487,209.60 is: 732,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,540.80 : 746,366.40 = 487,209.60 : x
  2. Step 2: Convert to fraction form
    496,540.80/746,366.40 = 487,209.60/x
  3. Step 3: Cross multiply
    496,540.80x = 746,366.40 × 487,209.60
  4. Step 4: Simplify right side
    496,540.80x = 363,636,875,197.44
  5. Step 5: Solve for x
    x = 363,636,875,197.44/496,540.80
  6. Step 6: Final answer
    x = 732,340.37

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