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Finding the Fourth Proportional to 520,601.31, 780,010.76 and 284,110.07

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Solution

The fourth proportional to 520,601.31, 780,010.76 and 284,110.07 is: 425,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,601.31 : 780,010.76 = 284,110.07 : x
  2. Step 2: Convert to fraction form
    520,601.31/780,010.76 = 284,110.07/x
  3. Step 3: Cross multiply
    520,601.31x = 780,010.76 × 284,110.07
  4. Step 4: Simplify right side
    520,601.31x = 221,608,908,434.58
  5. Step 5: Solve for x
    x = 221,608,908,434.58/520,601.31
  6. Step 6: Final answer
    x = 425,678.74

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