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Finding the Fourth Proportional to 773,722.88, 1,160,338.56 and 248,288

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Solution

The fourth proportional to 773,722.88, 1,160,338.56 and 248,288 is: 372,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,722.88 : 1,160,338.56 = 248,288 : x
  2. Step 2: Convert to fraction form
    773,722.88/1,160,338.56 = 248,288/x
  3. Step 3: Cross multiply
    773,722.88x = 1,160,338.56 × 248,288
  4. Step 4: Simplify right side
    773,722.88x = 288,098,140,385.28
  5. Step 5: Solve for x
    x = 288,098,140,385.28/773,722.88
  6. Step 6: Final answer
    x = 372,353.14

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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.