Home / 843,381.60-1,163,879.73-461,414.76

Finding the Fourth Proportional to 843,381.60, 1,163,879.73 and 461,414.76

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Solution

The fourth proportional to 843,381.60, 1,163,879.73 and 461,414.76 is: 636,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,381.60 : 1,163,879.73 = 461,414.76 : x
  2. Step 2: Convert to fraction form
    843,381.60/1,163,879.73 = 461,414.76/x
  3. Step 3: Cross multiply
    843,381.60x = 1,163,879.73 × 461,414.76
  4. Step 4: Simplify right side
    843,381.60x = 537,031,286,286.82
  5. Step 5: Solve for x
    x = 537,031,286,286.82/843,381.60
  6. Step 6: Final answer
    x = 636,759.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.