Home / 453,635.44-679,675.56-320,277.04

Finding the Fourth Proportional to 453,635.44, 679,675.56 and 320,277.04

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Solution

The fourth proportional to 453,635.44, 679,675.56 and 320,277.04 is: 479,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,635.44 : 679,675.56 = 320,277.04 : x
  2. Step 2: Convert to fraction form
    453,635.44/679,675.56 = 320,277.04/x
  3. Step 3: Cross multiply
    453,635.44x = 679,675.56 × 320,277.04
  4. Step 4: Simplify right side
    453,635.44x = 217,684,476,517.14
  5. Step 5: Solve for x
    x = 217,684,476,517.14/453,635.44
  6. Step 6: Final answer
    x = 479,866.56

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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.