Home / 851,964.01-1,175,691.41-469,990.69

Finding the Fourth Proportional to 851,964.01, 1,175,691.41 and 469,990.69

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Solution

The fourth proportional to 851,964.01, 1,175,691.41 and 469,990.69 is: 648,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,964.01 : 1,175,691.41 = 469,990.69 : x
  2. Step 2: Convert to fraction form
    851,964.01/1,175,691.41 = 469,990.69/x
  3. Step 3: Cross multiply
    851,964.01x = 1,175,691.41 × 469,990.69
  4. Step 4: Simplify right side
    851,964.01x = 552,564,013,486.26
  5. Step 5: Solve for x
    x = 552,564,013,486.26/851,964.01
  6. Step 6: Final answer
    x = 648,576.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.