Home / 708,132.20-1,059,606.30-521,508.20

Finding the Fourth Proportional to 708,132.20, 1,059,606.30 and 521,508.20

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Solution

The fourth proportional to 708,132.20, 1,059,606.30 and 521,508.20 is: 780,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,132.20 : 1,059,606.30 = 521,508.20 : x
  2. Step 2: Convert to fraction form
    708,132.20/1,059,606.30 = 521,508.20/x
  3. Step 3: Cross multiply
    708,132.20x = 1,059,606.30 × 521,508.20
  4. Step 4: Simplify right side
    708,132.20x = 552,593,374,221.66
  5. Step 5: Solve for x
    x = 552,593,374,221.66/708,132.20
  6. Step 6: Final answer
    x = 780,353.41

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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.