Home / 447,723.60-617,838.48-243,769.38

Finding the Fourth Proportional to 447,723.60, 617,838.48 and 243,769.38

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Solution

The fourth proportional to 447,723.60, 617,838.48 and 243,769.38 is: 336,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,723.60 : 617,838.48 = 243,769.38 : x
  2. Step 2: Convert to fraction form
    447,723.60/617,838.48 = 243,769.38/x
  3. Step 3: Cross multiply
    447,723.60x = 617,838.48 × 243,769.38
  4. Step 4: Simplify right side
    447,723.60x = 150,610,103,209.74
  5. Step 5: Solve for x
    x = 150,610,103,209.74/447,723.60
  6. Step 6: Final answer
    x = 336,390.81

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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.