Home / 447,724.60-617,839.86-243,770.38

Finding the Fourth Proportional to 447,724.60, 617,839.86 and 243,770.38

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Solution

The fourth proportional to 447,724.60, 617,839.86 and 243,770.38 is: 336,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,724.60 : 617,839.86 = 243,770.38 : x
  2. Step 2: Convert to fraction form
    447,724.60/617,839.86 = 243,770.38/x
  3. Step 3: Cross multiply
    447,724.60x = 617,839.86 × 243,770.38
  4. Step 4: Simplify right side
    447,724.60x = 150,611,057,451.35
  5. Step 5: Solve for x
    x = 150,611,057,451.35/447,724.60
  6. Step 6: Final answer
    x = 336,392.19

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1.5x scale

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.