Home / 571,876.94-857,821.57-172,521.17

Finding the Fourth Proportional to 571,876.94, 857,821.57 and 172,521.17

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Solution

The fourth proportional to 571,876.94, 857,821.57 and 172,521.17 is: 258,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,876.94 : 857,821.57 = 172,521.17 : x
  2. Step 2: Convert to fraction form
    571,876.94/857,821.57 = 172,521.17/x
  3. Step 3: Cross multiply
    571,876.94x = 857,821.57 × 172,521.17
  4. Step 4: Simplify right side
    571,876.94x = 147,992,380,907.64
  5. Step 5: Solve for x
    x = 147,992,380,907.64/571,876.94
  6. Step 6: Final answer
    x = 258,783.61

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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.