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Finding the Fourth Proportional to 450,172.69, 674,509.37 and 316,772.69

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Solution

The fourth proportional to 450,172.69, 674,509.37 and 316,772.69 is: 474,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,172.69 : 674,509.37 = 316,772.69 : x
  2. Step 2: Convert to fraction form
    450,172.69/674,509.37 = 316,772.69/x
  3. Step 3: Cross multiply
    450,172.69x = 674,509.37 × 316,772.69
  4. Step 4: Simplify right side
    450,172.69x = 213,666,145,981.24
  5. Step 5: Solve for x
    x = 213,666,145,981.24/450,172.69
  6. Step 6: Final answer
    x = 474,631.52

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