Home / 665,010.30-996,835.05-327,531.90

Finding the Fourth Proportional to 665,010.30, 996,835.05 and 327,531.90

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Solution

The fourth proportional to 665,010.30, 996,835.05 and 327,531.90 is: 490,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,010.30 : 996,835.05 = 327,531.90 : x
  2. Step 2: Convert to fraction form
    665,010.30/996,835.05 = 327,531.90/x
  3. Step 3: Cross multiply
    665,010.30x = 996,835.05 × 327,531.90
  4. Step 4: Simplify right side
    665,010.30x = 326,495,277,913.10
  5. Step 5: Solve for x
    x = 326,495,277,913.10/665,010.30
  6. Step 6: Final answer
    x = 490,962.74

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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.