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Finding the Fourth Proportional to 527,362.40, 790,849.20 and 261,034.40

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Solution

The fourth proportional to 527,362.40, 790,849.20 and 261,034.40 is: 391,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,362.40 : 790,849.20 = 261,034.40 : x
  2. Step 2: Convert to fraction form
    527,362.40/790,849.20 = 261,034.40/x
  3. Step 3: Cross multiply
    527,362.40x = 790,849.20 × 261,034.40
  4. Step 4: Simplify right side
    527,362.40x = 206,438,846,412.48
  5. Step 5: Solve for x
    x = 206,438,846,412.48/527,362.40
  6. Step 6: Final answer
    x = 391,455.38

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