Home / 639,035.52-881,917.92-352,610.88

Finding the Fourth Proportional to 639,035.52, 881,917.92 and 352,610.88

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Solution

The fourth proportional to 639,035.52, 881,917.92 and 352,610.88 is: 486,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,035.52 : 881,917.92 = 352,610.88 : x
  2. Step 2: Convert to fraction form
    639,035.52/881,917.92 = 352,610.88/x
  3. Step 3: Cross multiply
    639,035.52x = 881,917.92 × 352,610.88
  4. Step 4: Simplify right side
    639,035.52x = 310,973,853,858.97
  5. Step 5: Solve for x
    x = 310,973,853,858.97/639,035.52
  6. Step 6: Final answer
    x = 486,630.00

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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.