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Finding the Fourth Proportional to 403,720.40, 604,414.20 and 246,256.40

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Solution

The fourth proportional to 403,720.40, 604,414.20 and 246,256.40 is: 368,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,720.40 : 604,414.20 = 246,256.40 : x
  2. Step 2: Convert to fraction form
    403,720.40/604,414.20 = 246,256.40/x
  3. Step 3: Cross multiply
    403,720.40x = 604,414.20 × 246,256.40
  4. Step 4: Simplify right side
    403,720.40x = 148,840,865,000.88
  5. Step 5: Solve for x
    x = 148,840,865,000.88/403,720.40
  6. Step 6: Final answer
    x = 368,673.13

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