Home / 832,016.98-1,248,187.30-319,644.80

Finding the Fourth Proportional to 832,016.98, 1,248,187.30 and 319,644.80

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Solution

The fourth proportional to 832,016.98, 1,248,187.30 and 319,644.80 is: 479,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,016.98 : 1,248,187.30 = 319,644.80 : x
  2. Step 2: Convert to fraction form
    832,016.98/1,248,187.30 = 319,644.80/x
  3. Step 3: Cross multiply
    832,016.98x = 1,248,187.30 × 319,644.80
  4. Step 4: Simplify right side
    832,016.98x = 398,976,579,871.04
  5. Step 5: Solve for x
    x = 398,976,579,871.04/832,016.98
  6. Step 6: Final answer
    x = 479,529.37

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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.