Home / 985,120.18-1,359,489.92-549,534.42

Finding the Fourth Proportional to 985,120.18, 1,359,489.92 and 549,534.42

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Solution

The fourth proportional to 985,120.18, 1,359,489.92 and 549,534.42 is: 758,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,120.18 : 1,359,489.92 = 549,534.42 : x
  2. Step 2: Convert to fraction form
    985,120.18/1,359,489.92 = 549,534.42/x
  3. Step 3: Cross multiply
    985,120.18x = 1,359,489.92 × 549,534.42
  4. Step 4: Simplify right side
    985,120.18x = 747,086,511,534.66
  5. Step 5: Solve for x
    x = 747,086,511,534.66/985,120.18
  6. Step 6: Final answer
    x = 758,370.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.