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Finding the Fourth Proportional to 581,463.60, 872,195.40 and 455,492.40

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Solution

The fourth proportional to 581,463.60, 872,195.40 and 455,492.40 is: 683,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,463.60 : 872,195.40 = 455,492.40 : x
  2. Step 2: Convert to fraction form
    581,463.60/872,195.40 = 455,492.40/x
  3. Step 3: Cross multiply
    581,463.60x = 872,195.40 × 455,492.40
  4. Step 4: Simplify right side
    581,463.60x = 397,278,376,014.96
  5. Step 5: Solve for x
    x = 397,278,376,014.96/581,463.60
  6. Step 6: Final answer
    x = 683,238.60

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