Home / 864,631.53-1,296,951.10-359,192.09

Finding the Fourth Proportional to 864,631.53, 1,296,951.10 and 359,192.09

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Solution

The fourth proportional to 864,631.53, 1,296,951.10 and 359,192.09 is: 538,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,631.53 : 1,296,951.10 = 359,192.09 : x
  2. Step 2: Convert to fraction form
    864,631.53/1,296,951.10 = 359,192.09/x
  3. Step 3: Cross multiply
    864,631.53x = 1,296,951.10 × 359,192.09
  4. Step 4: Simplify right side
    864,631.53x = 465,854,578,581.20
  5. Step 5: Solve for x
    x = 465,854,578,581.20/864,631.53
  6. Step 6: Final answer
    x = 538,789.72

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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.