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Finding the Fourth Proportional to 493,403.40, 740,105.10 and 488,737.80

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Solution

The fourth proportional to 493,403.40, 740,105.10 and 488,737.80 is: 733,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,403.40 : 740,105.10 = 488,737.80 : x
  2. Step 2: Convert to fraction form
    493,403.40/740,105.10 = 488,737.80/x
  3. Step 3: Cross multiply
    493,403.40x = 740,105.10 × 488,737.80
  4. Step 4: Simplify right side
    493,403.40x = 361,717,338,342.78
  5. Step 5: Solve for x
    x = 361,717,338,342.78/493,403.40
  6. Step 6: Final answer
    x = 733,106.70

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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.