Home / 347,839.40-476,421.78-327,412.82

Finding the Fourth Proportional to 347,839.40, 476,421.78 and 327,412.82

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Solution

The fourth proportional to 347,839.40, 476,421.78 and 327,412.82 is: 448,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,839.40 : 476,421.78 = 327,412.82 : x
  2. Step 2: Convert to fraction form
    347,839.40/476,421.78 = 327,412.82/x
  3. Step 3: Cross multiply
    347,839.40x = 476,421.78 × 327,412.82
  4. Step 4: Simplify right side
    347,839.40x = 155,986,598,499.22
  5. Step 5: Solve for x
    x = 155,986,598,499.22/347,839.40
  6. Step 6: Final answer
    x = 448,444.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.