Home / 644,004.02-966,448.94-223,279.90

Finding the Fourth Proportional to 644,004.02, 966,448.94 and 223,279.90

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Solution

The fourth proportional to 644,004.02, 966,448.94 and 223,279.90 is: 335,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,004.02 : 966,448.94 = 223,279.90 : x
  2. Step 2: Convert to fraction form
    644,004.02/966,448.94 = 223,279.90/x
  3. Step 3: Cross multiply
    644,004.02x = 966,448.94 × 223,279.90
  4. Step 4: Simplify right side
    644,004.02x = 215,788,622,678.31
  5. Step 5: Solve for x
    x = 215,788,622,678.31/644,004.02
  6. Step 6: Final answer
    x = 335,073.41

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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.