Home / 685,140.66-1,027,686.38-179,697.62

Finding the Fourth Proportional to 685,140.66, 1,027,686.38 and 179,697.62

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Solution

The fourth proportional to 685,140.66, 1,027,686.38 and 179,697.62 is: 269,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,140.66 : 1,027,686.38 = 179,697.62 : x
  2. Step 2: Convert to fraction form
    685,140.66/1,027,686.38 = 179,697.62/x
  3. Step 3: Cross multiply
    685,140.66x = 1,027,686.38 × 179,697.62
  4. Step 4: Simplify right side
    685,140.66x = 184,672,796,592.42
  5. Step 5: Solve for x
    x = 184,672,796,592.42/685,140.66
  6. Step 6: Final answer
    x = 269,539.98

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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.