Home / 531,458-733,441.20-305,118.08

Finding the Fourth Proportional to 531,458, 733,441.20 and 305,118.08

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Solution

The fourth proportional to 531,458, 733,441.20 and 305,118.08 is: 421,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,458 : 733,441.20 = 305,118.08 : x
  2. Step 2: Convert to fraction form
    531,458/733,441.20 = 305,118.08/x
  3. Step 3: Cross multiply
    531,458x = 733,441.20 × 305,118.08
  4. Step 4: Simplify right side
    531,458x = 223,786,170,736.90
  5. Step 5: Solve for x
    x = 223,786,170,736.90/531,458
  6. Step 6: Final answer
    x = 421,079.69

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