Home / 766,279.15-1,149,514.15-260,801.28

Finding the Fourth Proportional to 766,279.15, 1,149,514.15 and 260,801.28

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Solution

The fourth proportional to 766,279.15, 1,149,514.15 and 260,801.28 is: 391,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,279.15 : 1,149,514.15 = 260,801.28 : x
  2. Step 2: Convert to fraction form
    766,279.15/1,149,514.15 = 260,801.28/x
  3. Step 3: Cross multiply
    766,279.15x = 1,149,514.15 × 260,801.28
  4. Step 4: Simplify right side
    766,279.15x = 299,794,761,698.11
  5. Step 5: Solve for x
    x = 299,794,761,698.11/766,279.15
  6. Step 6: Final answer
    x = 391,234.40

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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.