Home / 825,681.78-1,238,511.63-226,643.04

Finding the Fourth Proportional to 825,681.78, 1,238,511.63 and 226,643.04

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Solution

The fourth proportional to 825,681.78, 1,238,511.63 and 226,643.04 is: 339,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,681.78 : 1,238,511.63 = 226,643.04 : x
  2. Step 2: Convert to fraction form
    825,681.78/1,238,511.63 = 226,643.04/x
  3. Step 3: Cross multiply
    825,681.78x = 1,238,511.63 × 226,643.04
  4. Step 4: Simplify right side
    825,681.78x = 280,700,040,898.56
  5. Step 5: Solve for x
    x = 280,700,040,898.56/825,681.78
  6. Step 6: Final answer
    x = 339,961.53

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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.