Home / 665,003.10-996,848.55-327,767.70

Finding the Fourth Proportional to 665,003.10, 996,848.55 and 327,767.70

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Solution

The fourth proportional to 665,003.10, 996,848.55 and 327,767.70 is: 491,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,003.10 : 996,848.55 = 327,767.70 : x
  2. Step 2: Convert to fraction form
    665,003.10/996,848.55 = 327,767.70/x
  3. Step 3: Cross multiply
    665,003.10x = 996,848.55 × 327,767.70
  4. Step 4: Simplify right side
    665,003.10x = 326,734,756,481.84
  5. Step 5: Solve for x
    x = 326,734,756,481.84/665,003.10
  6. Step 6: Final answer
    x = 491,328.17

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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.