Home / 485,309.14-727,520.19-410,908.66

Finding the Fourth Proportional to 485,309.14, 727,520.19 and 410,908.66

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Solution

The fourth proportional to 485,309.14, 727,520.19 and 410,908.66 is: 615,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,309.14 : 727,520.19 = 410,908.66 : x
  2. Step 2: Convert to fraction form
    485,309.14/727,520.19 = 410,908.66/x
  3. Step 3: Cross multiply
    485,309.14x = 727,520.19 × 410,908.66
  4. Step 4: Simplify right side
    485,309.14x = 298,944,346,395.85
  5. Step 5: Solve for x
    x = 298,944,346,395.85/485,309.14
  6. Step 6: Final answer
    x = 615,987.46

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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.