Home / 591,182.21-815,539.16-349,347.80

Finding the Fourth Proportional to 591,182.21, 815,539.16 and 349,347.80

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Solution

The fourth proportional to 591,182.21, 815,539.16 and 349,347.80 is: 481,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,182.21 : 815,539.16 = 349,347.80 : x
  2. Step 2: Convert to fraction form
    591,182.21/815,539.16 = 349,347.80/x
  3. Step 3: Cross multiply
    591,182.21x = 815,539.16 × 349,347.80
  4. Step 4: Simplify right side
    591,182.21x = 284,906,811,359.85
  5. Step 5: Solve for x
    x = 284,906,811,359.85/591,182.21
  6. Step 6: Final answer
    x = 481,927.24

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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.