Home / 753,154.62-1,129,731.71-220,675.50

Finding the Fourth Proportional to 753,154.62, 1,129,731.71 and 220,675.50

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Solution

The fourth proportional to 753,154.62, 1,129,731.71 and 220,675.50 is: 331,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,154.62 : 1,129,731.71 = 220,675.50 : x
  2. Step 2: Convert to fraction form
    753,154.62/1,129,731.71 = 220,675.50/x
  3. Step 3: Cross multiply
    753,154.62x = 1,129,731.71 × 220,675.50
  4. Step 4: Simplify right side
    753,154.62x = 249,304,108,866.73
  5. Step 5: Solve for x
    x = 249,304,108,866.73/753,154.62
  6. Step 6: Final answer
    x = 331,013.18

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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.