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Finding the Fourth Proportional to 460,046.80, 689,660.60 and 410,280.40

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Solution

The fourth proportional to 460,046.80, 689,660.60 and 410,280.40 is: 615,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,046.80 : 689,660.60 = 410,280.40 : x
  2. Step 2: Convert to fraction form
    460,046.80/689,660.60 = 410,280.40/x
  3. Step 3: Cross multiply
    460,046.80x = 689,660.60 × 410,280.40
  4. Step 4: Simplify right side
    460,046.80x = 282,954,226,832.24
  5. Step 5: Solve for x
    x = 282,954,226,832.24/460,046.80
  6. Step 6: Final answer
    x = 615,055.31

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