Home / 831,880.20-1,247,820.30-333,601.80

Finding the Fourth Proportional to 831,880.20, 1,247,820.30 and 333,601.80

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Solution

The fourth proportional to 831,880.20, 1,247,820.30 and 333,601.80 is: 500,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,880.20 : 1,247,820.30 = 333,601.80 : x
  2. Step 2: Convert to fraction form
    831,880.20/1,247,820.30 = 333,601.80/x
  3. Step 3: Cross multiply
    831,880.20x = 1,247,820.30 × 333,601.80
  4. Step 4: Simplify right side
    831,880.20x = 416,275,098,156.54
  5. Step 5: Solve for x
    x = 416,275,098,156.54/831,880.20
  6. Step 6: Final answer
    x = 500,402.70

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1.5x scale

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.