Home / 422,696.07-583,320.29-231,712.65

Finding the Fourth Proportional to 422,696.07, 583,320.29 and 231,712.65

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Solution

The fourth proportional to 422,696.07, 583,320.29 and 231,712.65 is: 319,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,696.07 : 583,320.29 = 231,712.65 : x
  2. Step 2: Convert to fraction form
    422,696.07/583,320.29 = 231,712.65/x
  3. Step 3: Cross multiply
    422,696.07x = 583,320.29 × 231,712.65
  4. Step 4: Simplify right side
    422,696.07x = 135,162,689,036.11
  5. Step 5: Solve for x
    x = 135,162,689,036.11/422,696.07
  6. Step 6: Final answer
    x = 319,763.30

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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.