Home / 695,939.16-1,044,012.42-321,999.96

Finding the Fourth Proportional to 695,939.16, 1,044,012.42 and 321,999.96

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Solution

The fourth proportional to 695,939.16, 1,044,012.42 and 321,999.96 is: 483,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,939.16 : 1,044,012.42 = 321,999.96 : x
  2. Step 2: Convert to fraction form
    695,939.16/1,044,012.42 = 321,999.96/x
  3. Step 3: Cross multiply
    695,939.16x = 1,044,012.42 × 321,999.96
  4. Step 4: Simplify right side
    695,939.16x = 336,171,957,479.50
  5. Step 5: Solve for x
    x = 336,171,957,479.50/695,939.16
  6. Step 6: Final answer
    x = 483,047.91

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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.