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Finding the Fourth Proportional to 513,906.10, 770,859.15 and 277,710.10

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Solution

The fourth proportional to 513,906.10, 770,859.15 and 277,710.10 is: 416,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,906.10 : 770,859.15 = 277,710.10 : x
  2. Step 2: Convert to fraction form
    513,906.10/770,859.15 = 277,710.10/x
  3. Step 3: Cross multiply
    513,906.10x = 770,859.15 × 277,710.10
  4. Step 4: Simplify right side
    513,906.10x = 214,075,371,632.42
  5. Step 5: Solve for x
    x = 214,075,371,632.42/513,906.10
  6. Step 6: Final answer
    x = 416,565.15

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