Home / 813,576.57-1,220,593.39-301,234.02

Finding the Fourth Proportional to 813,576.57, 1,220,593.39 and 301,234.02

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Solution

The fourth proportional to 813,576.57, 1,220,593.39 and 301,234.02 is: 451,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,576.57 : 1,220,593.39 = 301,234.02 : x
  2. Step 2: Convert to fraction form
    813,576.57/1,220,593.39 = 301,234.02/x
  3. Step 3: Cross multiply
    813,576.57x = 1,220,593.39 × 301,234.02
  4. Step 4: Simplify right side
    813,576.57x = 367,684,248,324.82
  5. Step 5: Solve for x
    x = 367,684,248,324.82/813,576.57
  6. Step 6: Final answer
    x = 451,935.64

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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.