Home / 766,268.89-1,149,665.91-293,089.57

Finding the Fourth Proportional to 766,268.89, 1,149,665.91 and 293,089.57

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Solution

The fourth proportional to 766,268.89, 1,149,665.91 and 293,089.57 is: 439,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,268.89 : 1,149,665.91 = 293,089.57 : x
  2. Step 2: Convert to fraction form
    766,268.89/1,149,665.91 = 293,089.57/x
  3. Step 3: Cross multiply
    766,268.89x = 1,149,665.91 × 293,089.57
  4. Step 4: Simplify right side
    766,268.89x = 336,955,087,205.56
  5. Step 5: Solve for x
    x = 336,955,087,205.56/766,268.89
  6. Step 6: Final answer
    x = 439,734.79

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Double scale
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Similar ratio
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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.