Home / 485,134.20-727,701.30-366,161.40

Finding the Fourth Proportional to 485,134.20, 727,701.30 and 366,161.40

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Solution

The fourth proportional to 485,134.20, 727,701.30 and 366,161.40 is: 549,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,134.20 : 727,701.30 = 366,161.40 : x
  2. Step 2: Convert to fraction form
    485,134.20/727,701.30 = 366,161.40/x
  3. Step 3: Cross multiply
    485,134.20x = 727,701.30 × 366,161.40
  4. Step 4: Simplify right side
    485,134.20x = 266,456,126,789.82
  5. Step 5: Solve for x
    x = 266,456,126,789.82/485,134.20
  6. Step 6: Final answer
    x = 549,242.10

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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.