Home / 843,951.12-1,266,144.24-304,185.96

Finding the Fourth Proportional to 843,951.12, 1,266,144.24 and 304,185.96

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Solution

The fourth proportional to 843,951.12, 1,266,144.24 and 304,185.96 is: 456,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,951.12 : 1,266,144.24 = 304,185.96 : x
  2. Step 2: Convert to fraction form
    843,951.12/1,266,144.24 = 304,185.96/x
  3. Step 3: Cross multiply
    843,951.12x = 1,266,144.24 × 304,185.96
  4. Step 4: Simplify right side
    843,951.12x = 385,143,301,142.87
  5. Step 5: Solve for x
    x = 385,143,301,142.87/843,951.12
  6. Step 6: Final answer
    x = 456,357.36

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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.