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Finding the Fourth Proportional to 460,666.60, 690,615.90 and 194,631.40

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Solution

The fourth proportional to 460,666.60, 690,615.90 and 194,631.40 is: 291,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,666.60 : 690,615.90 = 194,631.40 : x
  2. Step 2: Convert to fraction form
    460,666.60/690,615.90 = 194,631.40/x
  3. Step 3: Cross multiply
    460,666.60x = 690,615.90 × 194,631.40
  4. Step 4: Simplify right side
    460,666.60x = 134,415,539,479.26
  5. Step 5: Solve for x
    x = 134,415,539,479.26/460,666.60
  6. Step 6: Final answer
    x = 291,784.86

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