Home / 824,761.65-1,236,754.20-319,559.25

Finding the Fourth Proportional to 824,761.65, 1,236,754.20 and 319,559.25

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Solution

The fourth proportional to 824,761.65, 1,236,754.20 and 319,559.25 is: 479,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,761.65 : 1,236,754.20 = 319,559.25 : x
  2. Step 2: Convert to fraction form
    824,761.65/1,236,754.20 = 319,559.25/x
  3. Step 3: Cross multiply
    824,761.65x = 1,236,754.20 × 319,559.25
  4. Step 4: Simplify right side
    824,761.65x = 395,216,244,586.35
  5. Step 5: Solve for x
    x = 395,216,244,586.35/824,761.65
  6. Step 6: Final answer
    x = 479,188.44

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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.