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Finding the Fourth Proportional to 477,309.96, 715,964.68 and 140,353.40

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Solution

The fourth proportional to 477,309.96, 715,964.68 and 140,353.40 is: 210,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,309.96 : 715,964.68 = 140,353.40 : x
  2. Step 2: Convert to fraction form
    477,309.96/715,964.68 = 140,353.40/x
  3. Step 3: Cross multiply
    477,309.96x = 715,964.68 × 140,353.40
  4. Step 4: Simplify right side
    477,309.96x = 100,488,077,117.91
  5. Step 5: Solve for x
    x = 100,488,077,117.91/477,309.96
  6. Step 6: Final answer
    x = 210,530.02

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