Home / 654,856.87-982,404.29-270,606.65

Finding the Fourth Proportional to 654,856.87, 982,404.29 and 270,606.65

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Solution

The fourth proportional to 654,856.87, 982,404.29 and 270,606.65 is: 405,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,856.87 : 982,404.29 = 270,606.65 : x
  2. Step 2: Convert to fraction form
    654,856.87/982,404.29 = 270,606.65/x
  3. Step 3: Cross multiply
    654,856.87x = 982,404.29 × 270,606.65
  4. Step 4: Simplify right side
    654,856.87x = 265,845,134,023.82
  5. Step 5: Solve for x
    x = 265,845,134,023.82/654,856.87
  6. Step 6: Final answer
    x = 405,959.14

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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.