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Finding the Fourth Proportional to 905,501.80, 1,357,907.10 and 274,205.80

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Solution

The fourth proportional to 905,501.80, 1,357,907.10 and 274,205.80 is: 411,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,501.80 : 1,357,907.10 = 274,205.80 : x
  2. Step 2: Convert to fraction form
    905,501.80/1,357,907.10 = 274,205.80/x
  3. Step 3: Cross multiply
    905,501.80x = 1,357,907.10 × 274,205.80
  4. Step 4: Simplify right side
    905,501.80x = 372,346,002,681.18
  5. Step 5: Solve for x
    x = 372,346,002,681.18/905,501.80
  6. Step 6: Final answer
    x = 411,204.04

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