Home / 644,013.41-966,463.02-223,289.28

Finding the Fourth Proportional to 644,013.41, 966,463.02 and 223,289.28

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Solution

The fourth proportional to 644,013.41, 966,463.02 and 223,289.28 is: 335,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,013.41 : 966,463.02 = 223,289.28 : x
  2. Step 2: Convert to fraction form
    644,013.41/966,463.02 = 223,289.28/x
  3. Step 3: Cross multiply
    644,013.41x = 966,463.02 × 223,289.28
  4. Step 4: Simplify right side
    644,013.41x = 215,800,831,882.43
  5. Step 5: Solve for x
    x = 215,800,831,882.43/644,013.41
  6. Step 6: Final answer
    x = 335,087.48

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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.