Home / 813,576.38-1,220,377.24-308,001.64

Finding the Fourth Proportional to 813,576.38, 1,220,377.24 and 308,001.64

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Solution

The fourth proportional to 813,576.38, 1,220,377.24 and 308,001.64 is: 462,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,576.38 : 1,220,377.24 = 308,001.64 : x
  2. Step 2: Convert to fraction form
    813,576.38/1,220,377.24 = 308,001.64/x
  3. Step 3: Cross multiply
    813,576.38x = 1,220,377.24 × 308,001.64
  4. Step 4: Simplify right side
    813,576.38x = 375,878,191,338.67
  5. Step 5: Solve for x
    x = 375,878,191,338.67/813,576.38
  6. Step 6: Final answer
    x = 462,007.26

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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.