Home / 667,522.55-1,001,283.80-443,320.89

Finding the Fourth Proportional to 667,522.55, 1,001,283.80 and 443,320.89

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Solution

The fourth proportional to 667,522.55, 1,001,283.80 and 443,320.89 is: 664,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,522.55 : 1,001,283.80 = 443,320.89 : x
  2. Step 2: Convert to fraction form
    667,522.55/1,001,283.80 = 443,320.89/x
  3. Step 3: Cross multiply
    667,522.55x = 1,001,283.80 × 443,320.89
  4. Step 4: Simplify right side
    667,522.55x = 443,890,023,141.98
  5. Step 5: Solve for x
    x = 443,890,023,141.98/667,522.55
  6. Step 6: Final answer
    x = 664,981.32

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1.5x scale

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.