Home / 765,661.24-1,148,404.38-204,739.48

Finding the Fourth Proportional to 765,661.24, 1,148,404.38 and 204,739.48

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Solution

The fourth proportional to 765,661.24, 1,148,404.38 and 204,739.48 is: 307,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,661.24 : 1,148,404.38 = 204,739.48 : x
  2. Step 2: Convert to fraction form
    765,661.24/1,148,404.38 = 204,739.48/x
  3. Step 3: Cross multiply
    765,661.24x = 1,148,404.38 × 204,739.48
  4. Step 4: Simplify right side
    765,661.24x = 235,123,715,590.92
  5. Step 5: Solve for x
    x = 235,123,715,590.92/765,661.24
  6. Step 6: Final answer
    x = 307,085.83

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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.