Home / 900,761.72-1,350,379.50-394,939.40

Finding the Fourth Proportional to 900,761.72, 1,350,379.50 and 394,939.40

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Solution

The fourth proportional to 900,761.72, 1,350,379.50 and 394,939.40 is: 592,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,761.72 : 1,350,379.50 = 394,939.40 : x
  2. Step 2: Convert to fraction form
    900,761.72/1,350,379.50 = 394,939.40/x
  3. Step 3: Cross multiply
    900,761.72x = 1,350,379.50 × 394,939.40
  4. Step 4: Simplify right side
    900,761.72x = 533,318,069,502.30
  5. Step 5: Solve for x
    x = 533,318,069,502.30/900,761.72
  6. Step 6: Final answer
    x = 592,074.53

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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.