Home / 490,974.64-736,431.37-234,989.02

Finding the Fourth Proportional to 490,974.64, 736,431.37 and 234,989.02

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Solution

The fourth proportional to 490,974.64, 736,431.37 and 234,989.02 is: 352,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,974.64 : 736,431.37 = 234,989.02 : x
  2. Step 2: Convert to fraction form
    490,974.64/736,431.37 = 234,989.02/x
  3. Step 3: Cross multiply
    490,974.64x = 736,431.37 × 234,989.02
  4. Step 4: Simplify right side
    490,974.64x = 173,053,283,505.01
  5. Step 5: Solve for x
    x = 173,053,283,505.01/490,974.64
  6. Step 6: Final answer
    x = 352,468.89

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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.