Home / 447,725.07-617,839.92-243,775.35

Finding the Fourth Proportional to 447,725.07, 617,839.92 and 243,775.35

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Solution

The fourth proportional to 447,725.07, 617,839.92 and 243,775.35 is: 336,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,725.07 : 617,839.92 = 243,775.35 : x
  2. Step 2: Convert to fraction form
    447,725.07/617,839.92 = 243,775.35/x
  3. Step 3: Cross multiply
    447,725.07x = 617,839.92 × 243,775.35
  4. Step 4: Simplify right side
    447,725.07x = 150,614,142,741.97
  5. Step 5: Solve for x
    x = 150,614,142,741.97/447,725.07
  6. Step 6: Final answer
    x = 336,398.73

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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.