Home / 633,981.12-949,394.22-443,549.92

Finding the Fourth Proportional to 633,981.12, 949,394.22 and 443,549.92

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Solution

The fourth proportional to 633,981.12, 949,394.22 and 443,549.92 is: 664,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,981.12 : 949,394.22 = 443,549.92 : x
  2. Step 2: Convert to fraction form
    633,981.12/949,394.22 = 443,549.92/x
  3. Step 3: Cross multiply
    633,981.12x = 949,394.22 × 443,549.92
  4. Step 4: Simplify right side
    633,981.12x = 421,103,727,955.98
  5. Step 5: Solve for x
    x = 421,103,727,955.98/633,981.12
  6. Step 6: Final answer
    x = 664,221.24

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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.