Home / 729,841.80-1,092,138.30-493,645.80

Finding the Fourth Proportional to 729,841.80, 1,092,138.30 and 493,645.80

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Solution

The fourth proportional to 729,841.80, 1,092,138.30 and 493,645.80 is: 738,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,841.80 : 1,092,138.30 = 493,645.80 : x
  2. Step 2: Convert to fraction form
    729,841.80/1,092,138.30 = 493,645.80/x
  3. Step 3: Cross multiply
    729,841.80x = 1,092,138.30 × 493,645.80
  4. Step 4: Simplify right side
    729,841.80x = 539,129,484,814.14
  5. Step 5: Solve for x
    x = 539,129,484,814.14/729,841.80
  6. Step 6: Final answer
    x = 738,693.62

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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.