Home / 856,804.84-1,285,109.34-225,768.04

Finding the Fourth Proportional to 856,804.84, 1,285,109.34 and 225,768.04

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Solution

The fourth proportional to 856,804.84, 1,285,109.34 and 225,768.04 is: 338,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,804.84 : 1,285,109.34 = 225,768.04 : x
  2. Step 2: Convert to fraction form
    856,804.84/1,285,109.34 = 225,768.04/x
  3. Step 3: Cross multiply
    856,804.84x = 1,285,109.34 × 225,768.04
  4. Step 4: Simplify right side
    856,804.84x = 290,136,616,877.49
  5. Step 5: Solve for x
    x = 290,136,616,877.49/856,804.84
  6. Step 6: Final answer
    x = 338,626.26

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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.