Home / 705,324.35-1,057,848.75-225,423.42

Finding the Fourth Proportional to 705,324.35, 1,057,848.75 and 225,423.42

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Solution

The fourth proportional to 705,324.35, 1,057,848.75 and 225,423.42 is: 338,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,324.35 : 1,057,848.75 = 225,423.42 : x
  2. Step 2: Convert to fraction form
    705,324.35/1,057,848.75 = 225,423.42/x
  3. Step 3: Cross multiply
    705,324.35x = 1,057,848.75 × 225,423.42
  4. Step 4: Simplify right side
    705,324.35x = 238,463,877,778.48
  5. Step 5: Solve for x
    x = 238,463,877,778.48/705,324.35
  6. Step 6: Final answer
    x = 338,091.09

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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.