Home / 729,865.80-1,092,174.30-493,669.80

Finding the Fourth Proportional to 729,865.80, 1,092,174.30 and 493,669.80

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Solution

The fourth proportional to 729,865.80, 1,092,174.30 and 493,669.80 is: 738,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,865.80 : 1,092,174.30 = 493,669.80 : x
  2. Step 2: Convert to fraction form
    729,865.80/1,092,174.30 = 493,669.80/x
  3. Step 3: Cross multiply
    729,865.80x = 1,092,174.30 × 493,669.80
  4. Step 4: Simplify right side
    729,865.80x = 539,173,468,246.14
  5. Step 5: Solve for x
    x = 539,173,468,246.14/729,865.80
  6. Step 6: Final answer
    x = 738,729.60

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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.