Home / 829,390.88-1,244,283.75-268,425.38

Finding the Fourth Proportional to 829,390.88, 1,244,283.75 and 268,425.38

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Solution

The fourth proportional to 829,390.88, 1,244,283.75 and 268,425.38 is: 402,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,390.88 : 1,244,283.75 = 268,425.38 : x
  2. Step 2: Convert to fraction form
    829,390.88/1,244,283.75 = 268,425.38/x
  3. Step 3: Cross multiply
    829,390.88x = 1,244,283.75 × 268,425.38
  4. Step 4: Simplify right side
    829,390.88x = 333,997,332,200.16
  5. Step 5: Solve for x
    x = 333,997,332,200.16/829,390.88
  6. Step 6: Final answer
    x = 402,701.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.