Home / 766,429.97-1,057,674.41-417,568.64

Finding the Fourth Proportional to 766,429.97, 1,057,674.41 and 417,568.64

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Solution

The fourth proportional to 766,429.97, 1,057,674.41 and 417,568.64 is: 576,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,429.97 : 1,057,674.41 = 417,568.64 : x
  2. Step 2: Convert to fraction form
    766,429.97/1,057,674.41 = 417,568.64/x
  3. Step 3: Cross multiply
    766,429.97x = 1,057,674.41 × 417,568.64
  4. Step 4: Simplify right side
    766,429.97x = 441,651,659,136.17
  5. Step 5: Solve for x
    x = 441,651,659,136.17/766,429.97
  6. Step 6: Final answer
    x = 576,245.29

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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.