Home / 488,040.80-673,503.18-281,194.87

Finding the Fourth Proportional to 488,040.80, 673,503.18 and 281,194.87

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Solution

The fourth proportional to 488,040.80, 673,503.18 and 281,194.87 is: 388,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,040.80 : 673,503.18 = 281,194.87 : x
  2. Step 2: Convert to fraction form
    488,040.80/673,503.18 = 281,194.87/x
  3. Step 3: Cross multiply
    488,040.80x = 673,503.18 × 281,194.87
  4. Step 4: Simplify right side
    488,040.80x = 189,385,639,144.69
  5. Step 5: Solve for x
    x = 189,385,639,144.69/488,040.80
  6. Step 6: Final answer
    x = 388,052.88

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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.