Home / 844,188.52-1,266,298.98-311,435.32

Finding the Fourth Proportional to 844,188.52, 1,266,298.98 and 311,435.32

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Solution

The fourth proportional to 844,188.52, 1,266,298.98 and 311,435.32 is: 467,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,188.52 : 1,266,298.98 = 311,435.32 : x
  2. Step 2: Convert to fraction form
    844,188.52/1,266,298.98 = 311,435.32/x
  3. Step 3: Cross multiply
    844,188.52x = 1,266,298.98 × 311,435.32
  4. Step 4: Simplify right side
    844,188.52x = 394,370,228,051.97
  5. Step 5: Solve for x
    x = 394,370,228,051.97/844,188.52
  6. Step 6: Final answer
    x = 467,158.96

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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.