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Finding the Fourth Proportional to 485,840.76, 728,848.64 and 232,906.92

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Solution

The fourth proportional to 485,840.76, 728,848.64 and 232,906.92 is: 349,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,840.76 : 728,848.64 = 232,906.92 : x
  2. Step 2: Convert to fraction form
    485,840.76/728,848.64 = 232,906.92/x
  3. Step 3: Cross multiply
    485,840.76x = 728,848.64 × 232,906.92
  4. Step 4: Simplify right side
    485,840.76x = 169,753,891,888.59
  5. Step 5: Solve for x
    x = 169,753,891,888.59/485,840.76
  6. Step 6: Final answer
    x = 349,402.33

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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.