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Finding the Fourth Proportional to 460,036.40, 690,076.20 and 144,503.60

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Solution

The fourth proportional to 460,036.40, 690,076.20 and 144,503.60 is: 216,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,036.40 : 690,076.20 = 144,503.60 : x
  2. Step 2: Convert to fraction form
    460,036.40/690,076.20 = 144,503.60/x
  3. Step 3: Cross multiply
    460,036.40x = 690,076.20 × 144,503.60
  4. Step 4: Simplify right side
    460,036.40x = 99,718,495,174.32
  5. Step 5: Solve for x
    x = 99,718,495,174.32/460,036.40
  6. Step 6: Final answer
    x = 216,762.18

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