Home / 831,522.60-1,247,867.10-532,729.80

Finding the Fourth Proportional to 831,522.60, 1,247,867.10 and 532,729.80

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Solution

The fourth proportional to 831,522.60, 1,247,867.10 and 532,729.80 is: 799,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,522.60 : 1,247,867.10 = 532,729.80 : x
  2. Step 2: Convert to fraction form
    831,522.60/1,247,867.10 = 532,729.80/x
  3. Step 3: Cross multiply
    831,522.60x = 1,247,867.10 × 532,729.80
  4. Step 4: Simplify right side
    831,522.60x = 664,775,990,609.58
  5. Step 5: Solve for x
    x = 664,775,990,609.58/831,522.60
  6. Step 6: Final answer
    x = 799,468.34

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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.