Home / 647,867.27-971,384.63-269,049.31

Finding the Fourth Proportional to 647,867.27, 971,384.63 and 269,049.31

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Solution

The fourth proportional to 647,867.27, 971,384.63 and 269,049.31 is: 403,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,867.27 : 971,384.63 = 269,049.31 : x
  2. Step 2: Convert to fraction form
    647,867.27/971,384.63 = 269,049.31/x
  3. Step 3: Cross multiply
    647,867.27x = 971,384.63 × 269,049.31
  4. Step 4: Simplify right side
    647,867.27x = 261,350,358,243.94
  5. Step 5: Solve for x
    x = 261,350,358,243.94/647,867.27
  6. Step 6: Final answer
    x = 403,401.08

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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.