Home / 897,721.62-1,239,304.78-558,299.22

Finding the Fourth Proportional to 897,721.62, 1,239,304.78 and 558,299.22

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Solution

The fourth proportional to 897,721.62, 1,239,304.78 and 558,299.22 is: 770,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,721.62 : 1,239,304.78 = 558,299.22 : x
  2. Step 2: Convert to fraction form
    897,721.62/1,239,304.78 = 558,299.22/x
  3. Step 3: Cross multiply
    897,721.62x = 1,239,304.78 × 558,299.22
  4. Step 4: Simplify right side
    897,721.62x = 691,902,892,016.27
  5. Step 5: Solve for x
    x = 691,902,892,016.27/897,721.62
  6. Step 6: Final answer
    x = 770,732.13

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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.