Home / 766,974.32-1,149,672.36-293,531.76

Finding the Fourth Proportional to 766,974.32, 1,149,672.36 and 293,531.76

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Solution

The fourth proportional to 766,974.32, 1,149,672.36 and 293,531.76 is: 439,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,974.32 : 1,149,672.36 = 293,531.76 : x
  2. Step 2: Convert to fraction form
    766,974.32/1,149,672.36 = 293,531.76/x
  3. Step 3: Cross multiply
    766,974.32x = 1,149,672.36 × 293,531.76
  4. Step 4: Simplify right side
    766,974.32x = 337,465,351,254.15
  5. Step 5: Solve for x
    x = 337,465,351,254.15/766,974.32
  6. Step 6: Final answer
    x = 439,995.63

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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.