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Finding the Fourth Proportional to 721,378.25, 995,548.07 and 403,426.25

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Solution

The fourth proportional to 721,378.25, 995,548.07 and 403,426.25 is: 556,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,378.25 : 995,548.07 = 403,426.25 : x
  2. Step 2: Convert to fraction form
    721,378.25/995,548.07 = 403,426.25/x
  3. Step 3: Cross multiply
    721,378.25x = 995,548.07 × 403,426.25
  4. Step 4: Simplify right side
    721,378.25x = 401,630,224,574.84
  5. Step 5: Solve for x
    x = 401,630,224,574.84/721,378.25
  6. Step 6: Final answer
    x = 556,754.00

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