Home / 485,635.32-727,829.55-232,536.56

Finding the Fourth Proportional to 485,635.32, 727,829.55 and 232,536.56

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Solution

The fourth proportional to 485,635.32, 727,829.55 and 232,536.56 is: 348,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,635.32 : 727,829.55 = 232,536.56 : x
  2. Step 2: Convert to fraction form
    485,635.32/727,829.55 = 232,536.56/x
  3. Step 3: Cross multiply
    485,635.32x = 727,829.55 × 232,536.56
  4. Step 4: Simplify right side
    485,635.32x = 169,246,979,823.35
  5. Step 5: Solve for x
    x = 169,246,979,823.35/485,635.32
  6. Step 6: Final answer
    x = 348,506.32

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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.