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Finding the Fourth Proportional to 866,080.44, 1,299,037.13 and 266,880.71

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Solution

The fourth proportional to 866,080.44, 1,299,037.13 and 266,880.71 is: 400,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,080.44 : 1,299,037.13 = 266,880.71 : x
  2. Step 2: Convert to fraction form
    866,080.44/1,299,037.13 = 266,880.71/x
  3. Step 3: Cross multiply
    866,080.44x = 1,299,037.13 × 266,880.71
  4. Step 4: Simplify right side
    866,080.44x = 346,687,951,570.76
  5. Step 5: Solve for x
    x = 346,687,951,570.76/866,080.44
  6. Step 6: Final answer
    x = 400,295.33

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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.