Home / 645,171.30-967,953.83-329,849.64

Finding the Fourth Proportional to 645,171.30, 967,953.83 and 329,849.64

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Solution

The fourth proportional to 645,171.30, 967,953.83 and 329,849.64 is: 494,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,171.30 : 967,953.83 = 329,849.64 : x
  2. Step 2: Convert to fraction form
    645,171.30/967,953.83 = 329,849.64/x
  3. Step 3: Cross multiply
    645,171.30x = 967,953.83 × 329,849.64
  4. Step 4: Simplify right side
    645,171.30x = 319,279,220,712.87
  5. Step 5: Solve for x
    x = 319,279,220,712.87/645,171.30
  6. Step 6: Final answer
    x = 494,875.11

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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.