Home / 685,087.80-1,027,631.70-179,647.80

Finding the Fourth Proportional to 685,087.80, 1,027,631.70 and 179,647.80

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Solution

The fourth proportional to 685,087.80, 1,027,631.70 and 179,647.80 is: 269,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,087.80 : 1,027,631.70 = 179,647.80 : x
  2. Step 2: Convert to fraction form
    685,087.80/1,027,631.70 = 179,647.80/x
  3. Step 3: Cross multiply
    685,087.80x = 1,027,631.70 × 179,647.80
  4. Step 4: Simplify right side
    685,087.80x = 184,611,774,115.26
  5. Step 5: Solve for x
    x = 184,611,774,115.26/685,087.80
  6. Step 6: Final answer
    x = 269,471.70

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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.