Home / 766,839.72-1,150,134.88-362,031.15

Finding the Fourth Proportional to 766,839.72, 1,150,134.88 and 362,031.15

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Solution

The fourth proportional to 766,839.72, 1,150,134.88 and 362,031.15 is: 542,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,839.72 : 1,150,134.88 = 362,031.15 : x
  2. Step 2: Convert to fraction form
    766,839.72/1,150,134.88 = 362,031.15/x
  3. Step 3: Cross multiply
    766,839.72x = 1,150,134.88 × 362,031.15
  4. Step 4: Simplify right side
    766,839.72x = 416,384,653,261.51
  5. Step 5: Solve for x
    x = 416,384,653,261.51/766,839.72
  6. Step 6: Final answer
    x = 542,987.85

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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.