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Finding the Fourth Proportional to 645,521.16, 966,411.89 and 486,267.79

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Solution

The fourth proportional to 645,521.16, 966,411.89 and 486,267.79 is: 727,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,521.16 : 966,411.89 = 486,267.79 : x
  2. Step 2: Convert to fraction form
    645,521.16/966,411.89 = 486,267.79/x
  3. Step 3: Cross multiply
    645,521.16x = 966,411.89 × 486,267.79
  4. Step 4: Simplify right side
    645,521.16x = 469,934,973,968.09
  5. Step 5: Solve for x
    x = 469,934,973,968.09/645,521.16
  6. Step 6: Final answer
    x = 727,993.14

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