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Finding the Fourth Proportional to 468,641.20, 702,961.80 and 450,270.40

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Solution

The fourth proportional to 468,641.20, 702,961.80 and 450,270.40 is: 675,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,641.20 : 702,961.80 = 450,270.40 : x
  2. Step 2: Convert to fraction form
    468,641.20/702,961.80 = 450,270.40/x
  3. Step 3: Cross multiply
    468,641.20x = 702,961.80 × 450,270.40
  4. Step 4: Simplify right side
    468,641.20x = 316,522,890,870.72
  5. Step 5: Solve for x
    x = 316,522,890,870.72/468,641.20
  6. Step 6: Final answer
    x = 675,405.60

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