Home / 453,834.10-680,969.85-320,427.10

Finding the Fourth Proportional to 453,834.10, 680,969.85 and 320,427.10

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Solution

The fourth proportional to 453,834.10, 680,969.85 and 320,427.10 is: 480,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,834.10 : 680,969.85 = 320,427.10 : x
  2. Step 2: Convert to fraction form
    453,834.10/680,969.85 = 320,427.10/x
  3. Step 3: Cross multiply
    453,834.10x = 680,969.85 × 320,427.10
  4. Step 4: Simplify right side
    453,834.10x = 218,201,194,222.94
  5. Step 5: Solve for x
    x = 218,201,194,222.94/453,834.10
  6. Step 6: Final answer
    x = 480,795.06

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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.