Home / 892,141.56-1,338,474.78-359,388.36

Finding the Fourth Proportional to 892,141.56, 1,338,474.78 and 359,388.36

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Solution

The fourth proportional to 892,141.56, 1,338,474.78 and 359,388.36 is: 539,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,141.56 : 1,338,474.78 = 359,388.36 : x
  2. Step 2: Convert to fraction form
    892,141.56/1,338,474.78 = 359,388.36/x
  3. Step 3: Cross multiply
    892,141.56x = 1,338,474.78 × 359,388.36
  4. Step 4: Simplify right side
    892,141.56x = 481,032,256,085.56
  5. Step 5: Solve for x
    x = 481,032,256,085.56/892,141.56
  6. Step 6: Final answer
    x = 539,188.26

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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.