Home / 850,785.28-1,174,108.38-468,836.68

Finding the Fourth Proportional to 850,785.28, 1,174,108.38 and 468,836.68

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Solution

The fourth proportional to 850,785.28, 1,174,108.38 and 468,836.68 is: 647,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,785.28 : 1,174,108.38 = 468,836.68 : x
  2. Step 2: Convert to fraction form
    850,785.28/1,174,108.38 = 468,836.68/x
  3. Step 3: Cross multiply
    850,785.28x = 1,174,108.38 × 468,836.68
  4. Step 4: Simplify right side
    850,785.28x = 550,465,074,839.38
  5. Step 5: Solve for x
    x = 550,465,074,839.38/850,785.28
  6. Step 6: Final answer
    x = 647,008.23

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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.