Home / 852,652.20-1,279,439.10-379,410.60

Finding the Fourth Proportional to 852,652.20, 1,279,439.10 and 379,410.60

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Solution

The fourth proportional to 852,652.20, 1,279,439.10 and 379,410.60 is: 569,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,652.20 : 1,279,439.10 = 379,410.60 : x
  2. Step 2: Convert to fraction form
    852,652.20/1,279,439.10 = 379,410.60/x
  3. Step 3: Cross multiply
    852,652.20x = 1,279,439.10 × 379,410.60
  4. Step 4: Simplify right side
    852,652.20x = 485,432,756,594.46
  5. Step 5: Solve for x
    x = 485,432,756,594.46/852,652.20
  6. Step 6: Final answer
    x = 569,320.95

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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.