Home / 767,358.76-1,151,036.52-206,393.80

Finding the Fourth Proportional to 767,358.76, 1,151,036.52 and 206,393.80

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Solution

The fourth proportional to 767,358.76, 1,151,036.52 and 206,393.80 is: 309,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,358.76 : 1,151,036.52 = 206,393.80 : x
  2. Step 2: Convert to fraction form
    767,358.76/1,151,036.52 = 206,393.80/x
  3. Step 3: Cross multiply
    767,358.76x = 1,151,036.52 × 206,393.80
  4. Step 4: Simplify right side
    767,358.76x = 237,566,801,301.58
  5. Step 5: Solve for x
    x = 237,566,801,301.58/767,358.76
  6. Step 6: Final answer
    x = 309,590.26

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Similar ratio
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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.