Home / 766,301.32-1,149,503.88-293,036.68

Finding the Fourth Proportional to 766,301.32, 1,149,503.88 and 293,036.68

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Solution

The fourth proportional to 766,301.32, 1,149,503.88 and 293,036.68 is: 439,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,301.32 : 1,149,503.88 = 293,036.68 : x
  2. Step 2: Convert to fraction form
    766,301.32/1,149,503.88 = 293,036.68/x
  3. Step 3: Cross multiply
    766,301.32x = 1,149,503.88 × 293,036.68
  4. Step 4: Simplify right side
    766,301.32x = 336,846,800,642.32
  5. Step 5: Solve for x
    x = 336,846,800,642.32/766,301.32
  6. Step 6: Final answer
    x = 439,574.87

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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.