Home / 625,982.64-863,844.12-339,497.52

Finding the Fourth Proportional to 625,982.64, 863,844.12 and 339,497.52

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Solution

The fourth proportional to 625,982.64, 863,844.12 and 339,497.52 is: 468,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,982.64 : 863,844.12 = 339,497.52 : x
  2. Step 2: Convert to fraction form
    625,982.64/863,844.12 = 339,497.52/x
  3. Step 3: Cross multiply
    625,982.64x = 863,844.12 × 339,497.52
  4. Step 4: Simplify right side
    625,982.64x = 293,272,936,406.58
  5. Step 5: Solve for x
    x = 293,272,936,406.58/625,982.64
  6. Step 6: Final answer
    x = 468,500.11

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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.