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Finding the Fourth Proportional to 477,742.80, 716,614.20 and 193,432.80

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Solution

The fourth proportional to 477,742.80, 716,614.20 and 193,432.80 is: 290,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,742.80 : 716,614.20 = 193,432.80 : x
  2. Step 2: Convert to fraction form
    477,742.80/716,614.20 = 193,432.80/x
  3. Step 3: Cross multiply
    477,742.80x = 716,614.20 × 193,432.80
  4. Step 4: Simplify right side
    477,742.80x = 138,616,691,225.76
  5. Step 5: Solve for x
    x = 138,616,691,225.76/477,742.80
  6. Step 6: Final answer
    x = 290,149.20

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