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Finding the Fourth Proportional to 524,327.77, 721,915.09 and 476,438.14

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Solution

The fourth proportional to 524,327.77, 721,915.09 and 476,438.14 is: 655,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,327.77 : 721,915.09 = 476,438.14 : x
  2. Step 2: Convert to fraction form
    524,327.77/721,915.09 = 476,438.14/x
  3. Step 3: Cross multiply
    524,327.77x = 721,915.09 × 476,438.14
  4. Step 4: Simplify right side
    524,327.77x = 343,947,882,717.53
  5. Step 5: Solve for x
    x = 343,947,882,717.53/524,327.77
  6. Step 6: Final answer
    x = 655,978.76

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