Home / 864,159.77-1,296,301.94-331,680.80

Finding the Fourth Proportional to 864,159.77, 1,296,301.94 and 331,680.80

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Solution

The fourth proportional to 864,159.77, 1,296,301.94 and 331,680.80 is: 497,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,159.77 : 1,296,301.94 = 331,680.80 : x
  2. Step 2: Convert to fraction form
    864,159.77/1,296,301.94 = 331,680.80/x
  3. Step 3: Cross multiply
    864,159.77x = 1,296,301.94 × 331,680.80
  4. Step 4: Simplify right side
    864,159.77x = 429,958,464,500.75
  5. Step 5: Solve for x
    x = 429,958,464,500.75/864,159.77
  6. Step 6: Final answer
    x = 497,545.11

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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.