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Finding the Fourth Proportional to 577,744.28, 866,091.52 and 262,028.96

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Solution

The fourth proportional to 577,744.28, 866,091.52 and 262,028.96 is: 392,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,744.28 : 866,091.52 = 262,028.96 : x
  2. Step 2: Convert to fraction form
    577,744.28/866,091.52 = 262,028.96/x
  3. Step 3: Cross multiply
    577,744.28x = 866,091.52 × 262,028.96
  4. Step 4: Simplify right side
    577,744.28x = 226,941,060,250.42
  5. Step 5: Solve for x
    x = 226,941,060,250.42/577,744.28
  6. Step 6: Final answer
    x = 392,805.38

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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.