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Finding the Fourth Proportional to 472,046.16, 651,126.04 and 280,916.88

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Solution

The fourth proportional to 472,046.16, 651,126.04 and 280,916.88 is: 387,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,046.16 : 651,126.04 = 280,916.88 : x
  2. Step 2: Convert to fraction form
    472,046.16/651,126.04 = 280,916.88/x
  3. Step 3: Cross multiply
    472,046.16x = 651,126.04 × 280,916.88
  4. Step 4: Simplify right side
    472,046.16x = 182,912,295,643.56
  5. Step 5: Solve for x
    x = 182,912,295,643.56/472,046.16
  6. Step 6: Final answer
    x = 387,488.16

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