Home / 840,472.43-1,159,846.58-477,896.29

Finding the Fourth Proportional to 840,472.43, 1,159,846.58 and 477,896.29

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Solution

The fourth proportional to 840,472.43, 1,159,846.58 and 477,896.29 is: 659,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,472.43 : 1,159,846.58 = 477,896.29 : x
  2. Step 2: Convert to fraction form
    840,472.43/1,159,846.58 = 477,896.29/x
  3. Step 3: Cross multiply
    840,472.43x = 1,159,846.58 × 477,896.29
  4. Step 4: Simplify right side
    840,472.43x = 554,286,375,846.31
  5. Step 5: Solve for x
    x = 554,286,375,846.31/840,472.43
  6. Step 6: Final answer
    x = 659,493.83

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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.