Home / 783,163.89-1,174,171.28-250,378.29

Finding the Fourth Proportional to 783,163.89, 1,174,171.28 and 250,378.29

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Solution

The fourth proportional to 783,163.89, 1,174,171.28 and 250,378.29 is: 375,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,163.89 : 1,174,171.28 = 250,378.29 : x
  2. Step 2: Convert to fraction form
    783,163.89/1,174,171.28 = 250,378.29/x
  3. Step 3: Cross multiply
    783,163.89x = 1,174,171.28 × 250,378.29
  4. Step 4: Simplify right side
    783,163.89x = 293,986,996,001.62
  5. Step 5: Solve for x
    x = 293,986,996,001.62/783,163.89
  6. Step 6: Final answer
    x = 375,383.75

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Double scale
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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.