Home / 859,967.13-1,289,953.44-260,933.25

Finding the Fourth Proportional to 859,967.13, 1,289,953.44 and 260,933.25

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Solution

The fourth proportional to 859,967.13, 1,289,953.44 and 260,933.25 is: 391,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,967.13 : 1,289,953.44 = 260,933.25 : x
  2. Step 2: Convert to fraction form
    859,967.13/1,289,953.44 = 260,933.25/x
  3. Step 3: Cross multiply
    859,967.13x = 1,289,953.44 × 260,933.25
  4. Step 4: Simplify right side
    859,967.13x = 336,591,743,447.88
  5. Step 5: Solve for x
    x = 336,591,743,447.88/859,967.13
  6. Step 6: Final answer
    x = 391,400.71

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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.