Home / 829,394.39-1,244,289-268,428.89

Finding the Fourth Proportional to 829,394.39, 1,244,289 and 268,428.89

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Solution

The fourth proportional to 829,394.39, 1,244,289 and 268,428.89 is: 402,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,394.39 : 1,244,289 = 268,428.89 : x
  2. Step 2: Convert to fraction form
    829,394.39/1,244,289 = 268,428.89/x
  3. Step 3: Cross multiply
    829,394.39x = 1,244,289 × 268,428.89
  4. Step 4: Simplify right side
    829,394.39x = 334,003,115,109.21
  5. Step 5: Solve for x
    x = 334,003,115,109.21/829,394.39
  6. Step 6: Final answer
    x = 402,707.23

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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.