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Finding the Fourth Proportional to 713,568.12, 983,916.88 and 455,099.36

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Solution

The fourth proportional to 713,568.12, 983,916.88 and 455,099.36 is: 627,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,568.12 : 983,916.88 = 455,099.36 : x
  2. Step 2: Convert to fraction form
    713,568.12/983,916.88 = 455,099.36/x
  3. Step 3: Cross multiply
    713,568.12x = 983,916.88 × 455,099.36
  4. Step 4: Simplify right side
    713,568.12x = 447,779,942,381.20
  5. Step 5: Solve for x
    x = 447,779,942,381.20/713,568.12
  6. Step 6: Final answer
    x = 627,522.35

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