Home / 929,761.20-1,394,641.80-330,741.90

Finding the Fourth Proportional to 929,761.20, 1,394,641.80 and 330,741.90

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Solution

The fourth proportional to 929,761.20, 1,394,641.80 and 330,741.90 is: 496,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,761.20 : 1,394,641.80 = 330,741.90 : x
  2. Step 2: Convert to fraction form
    929,761.20/1,394,641.80 = 330,741.90/x
  3. Step 3: Cross multiply
    929,761.20x = 1,394,641.80 × 330,741.90
  4. Step 4: Simplify right side
    929,761.20x = 461,266,478,751.42
  5. Step 5: Solve for x
    x = 461,266,478,751.42/929,761.20
  6. Step 6: Final answer
    x = 496,112.85

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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.