Home / 400,115.40-600,596.07-391,079.85

Finding the Fourth Proportional to 400,115.40, 600,596.07 and 391,079.85

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Solution

The fourth proportional to 400,115.40, 600,596.07 and 391,079.85 is: 587,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,115.40 : 600,596.07 = 391,079.85 : x
  2. Step 2: Convert to fraction form
    400,115.40/600,596.07 = 391,079.85/x
  3. Step 3: Cross multiply
    400,115.40x = 600,596.07 × 391,079.85
  4. Step 4: Simplify right side
    400,115.40x = 234,881,017,247.41
  5. Step 5: Solve for x
    x = 234,881,017,247.41/400,115.40
  6. Step 6: Final answer
    x = 587,033.19

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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.