Home / 802,658.09-1,204,111.54-270,137.57

Finding the Fourth Proportional to 802,658.09, 1,204,111.54 and 270,137.57

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Solution

The fourth proportional to 802,658.09, 1,204,111.54 and 270,137.57 is: 405,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,658.09 : 1,204,111.54 = 270,137.57 : x
  2. Step 2: Convert to fraction form
    802,658.09/1,204,111.54 = 270,137.57/x
  3. Step 3: Cross multiply
    802,658.09x = 1,204,111.54 × 270,137.57
  4. Step 4: Simplify right side
    802,658.09x = 325,275,759,741.67
  5. Step 5: Solve for x
    x = 325,275,759,741.67/802,658.09
  6. Step 6: Final answer
    x = 405,248.22

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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.