Home / 1,043.15-1,439.46-600.75

Finding the Fourth Proportional to 1,043.15, 1,439.46 and 600.75

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Solution

The fourth proportional to 1,043.15, 1,439.46 and 600.75 is: 828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.15 : 1,439.46 = 600.75 : x
  2. Step 2: Convert to fraction form
    1,043.15/1,439.46 = 600.75/x
  3. Step 3: Cross multiply
    1,043.15x = 1,439.46 × 600.75
  4. Step 4: Simplify right side
    1,043.15x = 864,755.60
  5. Step 5: Solve for x
    x = 864,755.60/1,043.15
  6. Step 6: Final answer
    x = 828.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.