Home / 633,928.20-949,314.90-443,497.14

Finding the Fourth Proportional to 633,928.20, 949,314.90 and 443,497.14

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Solution

The fourth proportional to 633,928.20, 949,314.90 and 443,497.14 is: 664,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,928.20 : 949,314.90 = 443,497.14 : x
  2. Step 2: Convert to fraction form
    633,928.20/949,314.90 = 443,497.14/x
  3. Step 3: Cross multiply
    633,928.20x = 949,314.90 × 443,497.14
  4. Step 4: Simplify right side
    633,928.20x = 421,018,443,109.39
  5. Step 5: Solve for x
    x = 421,018,443,109.39/633,928.20
  6. Step 6: Final answer
    x = 664,142.16

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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.