Home / 807,441.48-1,211,121.86-301,965.17

Finding the Fourth Proportional to 807,441.48, 1,211,121.86 and 301,965.17

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Solution

The fourth proportional to 807,441.48, 1,211,121.86 and 301,965.17 is: 452,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,441.48 : 1,211,121.86 = 301,965.17 : x
  2. Step 2: Convert to fraction form
    807,441.48/1,211,121.86 = 301,965.17/x
  3. Step 3: Cross multiply
    807,441.48x = 1,211,121.86 × 301,965.17
  4. Step 4: Simplify right side
    807,441.48x = 365,716,610,780.18
  5. Step 5: Solve for x
    x = 365,716,610,780.18/807,441.48
  6. Step 6: Final answer
    x = 452,932.65

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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.