Home / 672,681.63-1,009,049.27-267,950.55

Finding the Fourth Proportional to 672,681.63, 1,009,049.27 and 267,950.55

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Solution

The fourth proportional to 672,681.63, 1,009,049.27 and 267,950.55 is: 401,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,681.63 : 1,009,049.27 = 267,950.55 : x
  2. Step 2: Convert to fraction form
    672,681.63/1,009,049.27 = 267,950.55/x
  3. Step 3: Cross multiply
    672,681.63x = 1,009,049.27 × 267,950.55
  4. Step 4: Simplify right side
    672,681.63x = 270,375,305,533.85
  5. Step 5: Solve for x
    x = 270,375,305,533.85/672,681.63
  6. Step 6: Final answer
    x = 401,936.51

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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.