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Finding the Fourth Proportional to 468,402.16, 646,407.52 and 284,578.16

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Solution

The fourth proportional to 468,402.16, 646,407.52 and 284,578.16 is: 392,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,402.16 : 646,407.52 = 284,578.16 : x
  2. Step 2: Convert to fraction form
    468,402.16/646,407.52 = 284,578.16/x
  3. Step 3: Cross multiply
    468,402.16x = 646,407.52 × 284,578.16
  4. Step 4: Simplify right side
    468,402.16x = 183,953,462,651.76
  5. Step 5: Solve for x
    x = 183,953,462,651.76/468,402.16
  6. Step 6: Final answer
    x = 392,725.48

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