Home / 831,731.60-1,248,180.60-532,938.80

Finding the Fourth Proportional to 831,731.60, 1,248,180.60 and 532,938.80

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Solution

The fourth proportional to 831,731.60, 1,248,180.60 and 532,938.80 is: 799,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,731.60 : 1,248,180.60 = 532,938.80 : x
  2. Step 2: Convert to fraction form
    831,731.60/1,248,180.60 = 532,938.80/x
  3. Step 3: Cross multiply
    831,731.60x = 1,248,180.60 × 532,938.80
  4. Step 4: Simplify right side
    831,731.60x = 665,203,871,147.28
  5. Step 5: Solve for x
    x = 665,203,871,147.28/831,731.60
  6. Step 6: Final answer
    x = 799,781.89

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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.