Home / 774,723.52-1,162,152.30-213,757.96

Finding the Fourth Proportional to 774,723.52, 1,162,152.30 and 213,757.96

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Solution

The fourth proportional to 774,723.52, 1,162,152.30 and 213,757.96 is: 320,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,723.52 : 1,162,152.30 = 213,757.96 : x
  2. Step 2: Convert to fraction form
    774,723.52/1,162,152.30 = 213,757.96/x
  3. Step 3: Cross multiply
    774,723.52x = 1,162,152.30 × 213,757.96
  4. Step 4: Simplify right side
    774,723.52x = 248,419,304,857.31
  5. Step 5: Solve for x
    x = 248,419,304,857.31/774,723.52
  6. Step 6: Final answer
    x = 320,655.43

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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.