Home / 766,279.65-1,149,514.91-260,801.79

Finding the Fourth Proportional to 766,279.65, 1,149,514.91 and 260,801.79

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Solution

The fourth proportional to 766,279.65, 1,149,514.91 and 260,801.79 is: 391,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,279.65 : 1,149,514.91 = 260,801.79 : x
  2. Step 2: Convert to fraction form
    766,279.65/1,149,514.91 = 260,801.79/x
  3. Step 3: Cross multiply
    766,279.65x = 1,149,514.91 × 260,801.79
  4. Step 4: Simplify right side
    766,279.65x = 299,795,544,855.68
  5. Step 5: Solve for x
    x = 299,795,544,855.68/766,279.65
  6. Step 6: Final answer
    x = 391,235.16

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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.