Home / 705,298.80-1,058,103.72-231,965.04

Finding the Fourth Proportional to 705,298.80, 1,058,103.72 and 231,965.04

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Solution

The fourth proportional to 705,298.80, 1,058,103.72 and 231,965.04 is: 347,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,298.80 : 1,058,103.72 = 231,965.04 : x
  2. Step 2: Convert to fraction form
    705,298.80/1,058,103.72 = 231,965.04/x
  3. Step 3: Cross multiply
    705,298.80x = 1,058,103.72 × 231,965.04
  4. Step 4: Simplify right side
    705,298.80x = 245,443,071,733.95
  5. Step 5: Solve for x
    x = 245,443,071,733.95/705,298.80
  6. Step 6: Final answer
    x = 347,998.71

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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.