Home / 769,537.07-1,154,305.62-208,571.57

Finding the Fourth Proportional to 769,537.07, 1,154,305.62 and 208,571.57

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Solution

The fourth proportional to 769,537.07, 1,154,305.62 and 208,571.57 is: 312,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,537.07 : 1,154,305.62 = 208,571.57 : x
  2. Step 2: Convert to fraction form
    769,537.07/1,154,305.62 = 208,571.57/x
  3. Step 3: Cross multiply
    769,537.07x = 1,154,305.62 × 208,571.57
  4. Step 4: Simplify right side
    769,537.07x = 240,755,334,380.37
  5. Step 5: Solve for x
    x = 240,755,334,380.37/769,537.07
  6. Step 6: Final answer
    x = 312,857.36

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Similar ratio
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1.5x scale

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.