Home / 644,022.80-966,034.20-329,094.80

Finding the Fourth Proportional to 644,022.80, 966,034.20 and 329,094.80

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Solution

The fourth proportional to 644,022.80, 966,034.20 and 329,094.80 is: 493,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,022.80 : 966,034.20 = 329,094.80 : x
  2. Step 2: Convert to fraction form
    644,022.80/966,034.20 = 329,094.80/x
  3. Step 3: Cross multiply
    644,022.80x = 966,034.20 × 329,094.80
  4. Step 4: Simplify right side
    644,022.80x = 317,916,831,842.16
  5. Step 5: Solve for x
    x = 317,916,831,842.16/644,022.80
  6. Step 6: Final answer
    x = 493,642.20

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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.