Home / 685,191.35-1,027,756.65-179,740.82

Finding the Fourth Proportional to 685,191.35, 1,027,756.65 and 179,740.82

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Solution

The fourth proportional to 685,191.35, 1,027,756.65 and 179,740.82 is: 269,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,191.35 : 1,027,756.65 = 179,740.82 : x
  2. Step 2: Convert to fraction form
    685,191.35/1,027,756.65 = 179,740.82/x
  3. Step 3: Cross multiply
    685,191.35x = 1,027,756.65 × 179,740.82
  4. Step 4: Simplify right side
    685,191.35x = 184,729,826,274.87
  5. Step 5: Solve for x
    x = 184,729,826,274.87/685,191.35
  6. Step 6: Final answer
    x = 269,603.27

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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.