Home / 753,195.97-1,129,803.27-220,727.89

Finding the Fourth Proportional to 753,195.97, 1,129,803.27 and 220,727.89

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Solution

The fourth proportional to 753,195.97, 1,129,803.27 and 220,727.89 is: 331,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,195.97 : 1,129,803.27 = 220,727.89 : x
  2. Step 2: Convert to fraction form
    753,195.97/1,129,803.27 = 220,727.89/x
  3. Step 3: Cross multiply
    753,195.97x = 1,129,803.27 × 220,727.89
  4. Step 4: Simplify right side
    753,195.97x = 249,379,091,902.20
  5. Step 5: Solve for x
    x = 249,379,091,902.20/753,195.97
  6. Step 6: Final answer
    x = 331,094.56

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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.