Home / 447,769.35-617,448.15-345,811.41

Finding the Fourth Proportional to 447,769.35, 617,448.15 and 345,811.41

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Solution

The fourth proportional to 447,769.35, 617,448.15 and 345,811.41 is: 476,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,769.35 : 617,448.15 = 345,811.41 : x
  2. Step 2: Convert to fraction form
    447,769.35/617,448.15 = 345,811.41/x
  3. Step 3: Cross multiply
    447,769.35x = 617,448.15 × 345,811.41
  4. Step 4: Simplify right side
    447,769.35x = 213,520,615,353.39
  5. Step 5: Solve for x
    x = 213,520,615,353.39/447,769.35
  6. Step 6: Final answer
    x = 476,854.02

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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.