Home / 378,869.36-567,919.47-323,566.27

Finding the Fourth Proportional to 378,869.36, 567,919.47 and 323,566.27

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Solution

The fourth proportional to 378,869.36, 567,919.47 and 323,566.27 is: 485,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,869.36 : 567,919.47 = 323,566.27 : x
  2. Step 2: Convert to fraction form
    378,869.36/567,919.47 = 323,566.27/x
  3. Step 3: Cross multiply
    378,869.36x = 567,919.47 × 323,566.27
  4. Step 4: Simplify right side
    378,869.36x = 183,759,581,728.68
  5. Step 5: Solve for x
    x = 183,759,581,728.68/378,869.36
  6. Step 6: Final answer
    x = 485,020.97

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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.