Home / 834,260.80-1,251,391.20-273,313.60

Finding the Fourth Proportional to 834,260.80, 1,251,391.20 and 273,313.60

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Solution

The fourth proportional to 834,260.80, 1,251,391.20 and 273,313.60 is: 409,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,260.80 : 1,251,391.20 = 273,313.60 : x
  2. Step 2: Convert to fraction form
    834,260.80/1,251,391.20 = 273,313.60/x
  3. Step 3: Cross multiply
    834,260.80x = 1,251,391.20 × 273,313.60
  4. Step 4: Simplify right side
    834,260.80x = 342,022,233,880.32
  5. Step 5: Solve for x
    x = 342,022,233,880.32/834,260.80
  6. Step 6: Final answer
    x = 409,970.40

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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.