Home / 665,065.10-996,941.55-327,829.70

Finding the Fourth Proportional to 665,065.10, 996,941.55 and 327,829.70

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Solution

The fourth proportional to 665,065.10, 996,941.55 and 327,829.70 is: 491,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,065.10 : 996,941.55 = 327,829.70 : x
  2. Step 2: Convert to fraction form
    665,065.10/996,941.55 = 327,829.70/x
  3. Step 3: Cross multiply
    665,065.10x = 996,941.55 × 327,829.70
  4. Step 4: Simplify right side
    665,065.10x = 326,827,049,254.04
  5. Step 5: Solve for x
    x = 326,827,049,254.04/665,065.10
  6. Step 6: Final answer
    x = 491,421.14

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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.