Home / 831,611.10-1,247,999.85-532,818.30

Finding the Fourth Proportional to 831,611.10, 1,247,999.85 and 532,818.30

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Solution

The fourth proportional to 831,611.10, 1,247,999.85 and 532,818.30 is: 799,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,611.10 : 1,247,999.85 = 532,818.30 : x
  2. Step 2: Convert to fraction form
    831,611.10/1,247,999.85 = 532,818.30/x
  3. Step 3: Cross multiply
    831,611.10x = 1,247,999.85 × 532,818.30
  4. Step 4: Simplify right side
    831,611.10x = 664,957,158,477.26
  5. Step 5: Solve for x
    x = 664,957,158,477.26/831,611.10
  6. Step 6: Final answer
    x = 799,601.11

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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.