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Finding the Fourth Proportional to 460,235.52, 690,392.70 and 140,459.40

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Solution

The fourth proportional to 460,235.52, 690,392.70 and 140,459.40 is: 210,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,235.52 : 690,392.70 = 140,459.40 : x
  2. Step 2: Convert to fraction form
    460,235.52/690,392.70 = 140,459.40/x
  3. Step 3: Cross multiply
    460,235.52x = 690,392.70 × 140,459.40
  4. Step 4: Simplify right side
    460,235.52x = 96,972,144,406.38
  5. Step 5: Solve for x
    x = 96,972,144,406.38/460,235.52
  6. Step 6: Final answer
    x = 210,701.13

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