Home / 468,943.72-647,127.26-267,739.72

Finding the Fourth Proportional to 468,943.72, 647,127.26 and 267,739.72

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Solution

The fourth proportional to 468,943.72, 647,127.26 and 267,739.72 is: 369,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,943.72 : 647,127.26 = 267,739.72 : x
  2. Step 2: Convert to fraction form
    468,943.72/647,127.26 = 267,739.72/x
  3. Step 3: Cross multiply
    468,943.72x = 647,127.26 × 267,739.72
  4. Step 4: Simplify right side
    468,943.72x = 173,261,671,396.77
  5. Step 5: Solve for x
    x = 173,261,671,396.77/468,943.72
  6. Step 6: Final answer
    x = 369,472.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.