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Finding the Fourth Proportional to 681,951.75, 941,093.48 and 380,145.75

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Solution

The fourth proportional to 681,951.75, 941,093.48 and 380,145.75 is: 524,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,951.75 : 941,093.48 = 380,145.75 : x
  2. Step 2: Convert to fraction form
    681,951.75/941,093.48 = 380,145.75/x
  3. Step 3: Cross multiply
    681,951.75x = 941,093.48 × 380,145.75
  4. Step 4: Simplify right side
    681,951.75x = 357,752,684,873.98
  5. Step 5: Solve for x
    x = 357,752,684,873.98/681,951.75
  6. Step 6: Final answer
    x = 524,601.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.