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Finding the Fourth Proportional to 471,742.40, 707,613.60 and 314,278.40

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Solution

The fourth proportional to 471,742.40, 707,613.60 and 314,278.40 is: 471,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,742.40 : 707,613.60 = 314,278.40 : x
  2. Step 2: Convert to fraction form
    471,742.40/707,613.60 = 314,278.40/x
  3. Step 3: Cross multiply
    471,742.40x = 707,613.60 × 314,278.40
  4. Step 4: Simplify right side
    471,742.40x = 222,387,670,026.24
  5. Step 5: Solve for x
    x = 222,387,670,026.24/471,742.40
  6. Step 6: Final answer
    x = 471,417.60

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