Home / 678,579.49-1,017,904.26-173,144.89

Finding the Fourth Proportional to 678,579.49, 1,017,904.26 and 173,144.89

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Solution

The fourth proportional to 678,579.49, 1,017,904.26 and 173,144.89 is: 259,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,579.49 : 1,017,904.26 = 173,144.89 : x
  2. Step 2: Convert to fraction form
    678,579.49/1,017,904.26 = 173,144.89/x
  3. Step 3: Cross multiply
    678,579.49x = 1,017,904.26 × 173,144.89
  4. Step 4: Simplify right side
    678,579.49x = 176,244,916,891.33
  5. Step 5: Solve for x
    x = 176,244,916,891.33/678,579.49
  6. Step 6: Final answer
    x = 259,726.27

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1.5x scale

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.