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Finding the Fourth Proportional to 590,519.88, 814,909.95 and 332,395.56

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Solution

The fourth proportional to 590,519.88, 814,909.95 and 332,395.56 is: 458,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,519.88 : 814,909.95 = 332,395.56 : x
  2. Step 2: Convert to fraction form
    590,519.88/814,909.95 = 332,395.56/x
  3. Step 3: Cross multiply
    590,519.88x = 814,909.95 × 332,395.56
  4. Step 4: Simplify right side
    590,519.88x = 270,872,449,179.82
  5. Step 5: Solve for x
    x = 270,872,449,179.82/590,519.88
  6. Step 6: Final answer
    x = 458,701.66

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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.