Home / 831,873.20-1,247,809.80-635,265.20

Finding the Fourth Proportional to 831,873.20, 1,247,809.80 and 635,265.20

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Solution

The fourth proportional to 831,873.20, 1,247,809.80 and 635,265.20 is: 952,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,873.20 : 1,247,809.80 = 635,265.20 : x
  2. Step 2: Convert to fraction form
    831,873.20/1,247,809.80 = 635,265.20/x
  3. Step 3: Cross multiply
    831,873.20x = 1,247,809.80 × 635,265.20
  4. Step 4: Simplify right side
    831,873.20x = 792,690,142,158.96
  5. Step 5: Solve for x
    x = 792,690,142,158.96/831,873.20
  6. Step 6: Final answer
    x = 952,897.80

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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.