Home / 485,110.98-727,767.27-204,630.66

Finding the Fourth Proportional to 485,110.98, 727,767.27 and 204,630.66

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Solution

The fourth proportional to 485,110.98, 727,767.27 and 204,630.66 is: 306,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110.98 : 727,767.27 = 204,630.66 : x
  2. Step 2: Convert to fraction form
    485,110.98/727,767.27 = 204,630.66/x
  3. Step 3: Cross multiply
    485,110.98x = 727,767.27 × 204,630.66
  4. Step 4: Simplify right side
    485,110.98x = 148,923,496,786.50
  5. Step 5: Solve for x
    x = 148,923,496,786.50/485,110.98
  6. Step 6: Final answer
    x = 306,988.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.