Home / 481,431.02-721,876.56-329,799.42

Finding the Fourth Proportional to 481,431.02, 721,876.56 and 329,799.42

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Solution

The fourth proportional to 481,431.02, 721,876.56 and 329,799.42 is: 494,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,431.02 : 721,876.56 = 329,799.42 : x
  2. Step 2: Convert to fraction form
    481,431.02/721,876.56 = 329,799.42/x
  3. Step 3: Cross multiply
    481,431.02x = 721,876.56 × 329,799.42
  4. Step 4: Simplify right side
    481,431.02x = 238,074,470,799.60
  5. Step 5: Solve for x
    x = 238,074,470,799.60/481,431.02
  6. Step 6: Final answer
    x = 494,514.19

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1.5x scale

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.