Home / 652,288.14-899,324.37-422,439.30

Finding the Fourth Proportional to 652,288.14, 899,324.37 and 422,439.30

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Solution

The fourth proportional to 652,288.14, 899,324.37 and 422,439.30 is: 582,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,288.14 : 899,324.37 = 422,439.30 : x
  2. Step 2: Convert to fraction form
    652,288.14/899,324.37 = 422,439.30/x
  3. Step 3: Cross multiply
    652,288.14x = 899,324.37 × 422,439.30
  4. Step 4: Simplify right side
    652,288.14x = 379,909,957,335.74
  5. Step 5: Solve for x
    x = 379,909,957,335.74/652,288.14
  6. Step 6: Final answer
    x = 582,426.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.