Home / 678,584.47-1,017,911.73-173,149.87

Finding the Fourth Proportional to 678,584.47, 1,017,911.73 and 173,149.87

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Solution

The fourth proportional to 678,584.47, 1,017,911.73 and 173,149.87 is: 259,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,584.47 : 1,017,911.73 = 173,149.87 : x
  2. Step 2: Convert to fraction form
    678,584.47/1,017,911.73 = 173,149.87/x
  3. Step 3: Cross multiply
    678,584.47x = 1,017,911.73 × 173,149.87
  4. Step 4: Simplify right side
    678,584.47x = 176,251,283,720.98
  5. Step 5: Solve for x
    x = 176,251,283,720.98/678,584.47
  6. Step 6: Final answer
    x = 259,733.74

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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.