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Finding the Fourth Proportional to 548,478.12, 756,897.66 and 306,759.72

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Solution

The fourth proportional to 548,478.12, 756,897.66 and 306,759.72 is: 423,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,478.12 : 756,897.66 = 306,759.72 : x
  2. Step 2: Convert to fraction form
    548,478.12/756,897.66 = 306,759.72/x
  3. Step 3: Cross multiply
    548,478.12x = 756,897.66 × 306,759.72
  4. Step 4: Simplify right side
    548,478.12x = 232,185,714,250.26
  5. Step 5: Solve for x
    x = 232,185,714,250.26/548,478.12
  6. Step 6: Final answer
    x = 423,327.21

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