Home / 847,672.20-1,271,508.30-548,490.60

Finding the Fourth Proportional to 847,672.20, 1,271,508.30 and 548,490.60

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Solution

The fourth proportional to 847,672.20, 1,271,508.30 and 548,490.60 is: 822,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,672.20 : 1,271,508.30 = 548,490.60 : x
  2. Step 2: Convert to fraction form
    847,672.20/1,271,508.30 = 548,490.60/x
  3. Step 3: Cross multiply
    847,672.20x = 1,271,508.30 × 548,490.60
  4. Step 4: Simplify right side
    847,672.20x = 697,410,350,371.98
  5. Step 5: Solve for x
    x = 697,410,350,371.98/847,672.20
  6. Step 6: Final answer
    x = 822,735.90

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Similar ratio
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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.