Home / 753,327.18-1,129,990.76-332,519.22

Finding the Fourth Proportional to 753,327.18, 1,129,990.76 and 332,519.22

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Solution

The fourth proportional to 753,327.18, 1,129,990.76 and 332,519.22 is: 498,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,327.18 : 1,129,990.76 = 332,519.22 : x
  2. Step 2: Convert to fraction form
    753,327.18/1,129,990.76 = 332,519.22/x
  3. Step 3: Cross multiply
    753,327.18x = 1,129,990.76 × 332,519.22
  4. Step 4: Simplify right side
    753,327.18x = 375,743,644,459.81
  5. Step 5: Solve for x
    x = 375,743,644,459.81/753,327.18
  6. Step 6: Final answer
    x = 498,778.82

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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.