Home / 453,821.10-680,950.35-320,414.10

Finding the Fourth Proportional to 453,821.10, 680,950.35 and 320,414.10

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Solution

The fourth proportional to 453,821.10, 680,950.35 and 320,414.10 is: 480,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,821.10 : 680,950.35 = 320,414.10 : x
  2. Step 2: Convert to fraction form
    453,821.10/680,950.35 = 320,414.10/x
  3. Step 3: Cross multiply
    453,821.10x = 680,950.35 × 320,414.10
  4. Step 4: Simplify right side
    453,821.10x = 218,186,093,539.94
  5. Step 5: Solve for x
    x = 218,186,093,539.94/453,821.10
  6. Step 6: Final answer
    x = 480,775.56

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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.