Home / 748,097.28-1,122,422.40-275,091.84

Finding the Fourth Proportional to 748,097.28, 1,122,422.40 and 275,091.84

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Solution

The fourth proportional to 748,097.28, 1,122,422.40 and 275,091.84 is: 412,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,097.28 : 1,122,422.40 = 275,091.84 : x
  2. Step 2: Convert to fraction form
    748,097.28/1,122,422.40 = 275,091.84/x
  3. Step 3: Cross multiply
    748,097.28x = 1,122,422.40 × 275,091.84
  4. Step 4: Simplify right side
    748,097.28x = 308,769,243,273.22
  5. Step 5: Solve for x
    x = 308,769,243,273.22/748,097.28
  6. Step 6: Final answer
    x = 412,739.43

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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.