Home / 986,514.12-1,479,822.15-312,667.02

Finding the Fourth Proportional to 986,514.12, 1,479,822.15 and 312,667.02

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Solution

The fourth proportional to 986,514.12, 1,479,822.15 and 312,667.02 is: 469,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,514.12 : 1,479,822.15 = 312,667.02 : x
  2. Step 2: Convert to fraction form
    986,514.12/1,479,822.15 = 312,667.02/x
  3. Step 3: Cross multiply
    986,514.12x = 1,479,822.15 × 312,667.02
  4. Step 4: Simplify right side
    986,514.12x = 462,691,581,770.49
  5. Step 5: Solve for x
    x = 462,691,581,770.49/986,514.12
  6. Step 6: Final answer
    x = 469,016.68

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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.