Home / 788,727.38-1,088,443.78-449,227.22

Finding the Fourth Proportional to 788,727.38, 1,088,443.78 and 449,227.22

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Solution

The fourth proportional to 788,727.38, 1,088,443.78 and 449,227.22 is: 619,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,727.38 : 1,088,443.78 = 449,227.22 : x
  2. Step 2: Convert to fraction form
    788,727.38/1,088,443.78 = 449,227.22/x
  3. Step 3: Cross multiply
    788,727.38x = 1,088,443.78 × 449,227.22
  4. Step 4: Simplify right side
    788,727.38x = 488,958,566,850.41
  5. Step 5: Solve for x
    x = 488,958,566,850.41/788,727.38
  6. Step 6: Final answer
    x = 619,933.56

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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.