Home / 778,424.82-1,167,686.46-329,086.53

Finding the Fourth Proportional to 778,424.82, 1,167,686.46 and 329,086.53

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Solution

The fourth proportional to 778,424.82, 1,167,686.46 and 329,086.53 is: 493,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,424.82 : 1,167,686.46 = 329,086.53 : x
  2. Step 2: Convert to fraction form
    778,424.82/1,167,686.46 = 329,086.53/x
  3. Step 3: Cross multiply
    778,424.82x = 1,167,686.46 × 329,086.53
  4. Step 4: Simplify right side
    778,424.82x = 384,269,885,249.38
  5. Step 5: Solve for x
    x = 384,269,885,249.38/778,424.82
  6. Step 6: Final answer
    x = 493,650.61

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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.