Home / 855,926.76-1,284,288.66-382,932.12

Finding the Fourth Proportional to 855,926.76, 1,284,288.66 and 382,932.12

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Solution

The fourth proportional to 855,926.76, 1,284,288.66 and 382,932.12 is: 574,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,926.76 : 1,284,288.66 = 382,932.12 : x
  2. Step 2: Convert to fraction form
    855,926.76/1,284,288.66 = 382,932.12/x
  3. Step 3: Cross multiply
    855,926.76x = 1,284,288.66 × 382,932.12
  4. Step 4: Simplify right side
    855,926.76x = 491,795,379,265.76
  5. Step 5: Solve for x
    x = 491,795,379,265.76/855,926.76
  6. Step 6: Final answer
    x = 574,576.47

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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.