Home / 454,574.70-681,861.98-431,845.10

Finding the Fourth Proportional to 454,574.70, 681,861.98 and 431,845.10

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Solution

The fourth proportional to 454,574.70, 681,861.98 and 431,845.10 is: 647,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,574.70 : 681,861.98 = 431,845.10 : x
  2. Step 2: Convert to fraction form
    454,574.70/681,861.98 = 431,845.10/x
  3. Step 3: Cross multiply
    454,574.70x = 681,861.98 × 431,845.10
  4. Step 4: Simplify right side
    454,574.70x = 294,458,754,939.30
  5. Step 5: Solve for x
    x = 294,458,754,939.30/454,574.70
  6. Step 6: Final answer
    x = 647,767.58

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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.