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Finding the Fourth Proportional to 579,767.60, 869,651.40 and 558,772.40

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Solution

The fourth proportional to 579,767.60, 869,651.40 and 558,772.40 is: 838,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,767.60 : 869,651.40 = 558,772.40 : x
  2. Step 2: Convert to fraction form
    579,767.60/869,651.40 = 558,772.40/x
  3. Step 3: Cross multiply
    579,767.60x = 869,651.40 × 558,772.40
  4. Step 4: Simplify right side
    579,767.60x = 485,937,199,941.36
  5. Step 5: Solve for x
    x = 485,937,199,941.36/579,767.60
  6. Step 6: Final answer
    x = 838,158.60

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