Home / 481,026.71-664,021.32-299,828.90

Finding the Fourth Proportional to 481,026.71, 664,021.32 and 299,828.90

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Solution

The fourth proportional to 481,026.71, 664,021.32 and 299,828.90 is: 413,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,026.71 : 664,021.32 = 299,828.90 : x
  2. Step 2: Convert to fraction form
    481,026.71/664,021.32 = 299,828.90/x
  3. Step 3: Cross multiply
    481,026.71x = 664,021.32 × 299,828.90
  4. Step 4: Simplify right side
    481,026.71x = 199,092,781,952.15
  5. Step 5: Solve for x
    x = 199,092,781,952.15/481,026.71
  6. Step 6: Final answer
    x = 413,891.32

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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.