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Finding the Fourth Proportional to 758,406, 1,046,600.28 and 418,896.12

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Solution

The fourth proportional to 758,406, 1,046,600.28 and 418,896.12 is: 578,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,406 : 1,046,600.28 = 418,896.12 : x
  2. Step 2: Convert to fraction form
    758,406/1,046,600.28 = 418,896.12/x
  3. Step 3: Cross multiply
    758,406x = 1,046,600.28 × 418,896.12
  4. Step 4: Simplify right side
    758,406x = 438,416,796,482.91
  5. Step 5: Solve for x
    x = 438,416,796,482.91/758,406
  6. Step 6: Final answer
    x = 578,076.65

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