Home / 453,551.78-679,541.19-275,685.38

Finding the Fourth Proportional to 453,551.78, 679,541.19 and 275,685.38

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Solution

The fourth proportional to 453,551.78, 679,541.19 and 275,685.38 is: 413,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,551.78 : 679,541.19 = 275,685.38 : x
  2. Step 2: Convert to fraction form
    453,551.78/679,541.19 = 275,685.38/x
  3. Step 3: Cross multiply
    453,551.78x = 679,541.19 × 275,685.38
  4. Step 4: Simplify right side
    453,551.78x = 187,339,571,190.80
  5. Step 5: Solve for x
    x = 187,339,571,190.80/453,551.78
  6. Step 6: Final answer
    x = 413,050.02

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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.