Home / 639,922.27-883,087.49-349,534.02

Finding the Fourth Proportional to 639,922.27, 883,087.49 and 349,534.02

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Solution

The fourth proportional to 639,922.27, 883,087.49 and 349,534.02 is: 482,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,922.27 : 883,087.49 = 349,534.02 : x
  2. Step 2: Convert to fraction form
    639,922.27/883,087.49 = 349,534.02/x
  3. Step 3: Cross multiply
    639,922.27x = 883,087.49 × 349,534.02
  4. Step 4: Simplify right side
    639,922.27x = 308,669,120,391.41
  5. Step 5: Solve for x
    x = 308,669,120,391.41/639,922.27
  6. Step 6: Final answer
    x = 482,354.08

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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.