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Finding the Fourth Proportional to 459,008.40, 688,512.60 and 178,343.40

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Solution

The fourth proportional to 459,008.40, 688,512.60 and 178,343.40 is: 267,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,008.40 : 688,512.60 = 178,343.40 : x
  2. Step 2: Convert to fraction form
    459,008.40/688,512.60 = 178,343.40/x
  3. Step 3: Cross multiply
    459,008.40x = 688,512.60 × 178,343.40
  4. Step 4: Simplify right side
    459,008.40x = 122,791,678,026.84
  5. Step 5: Solve for x
    x = 122,791,678,026.84/459,008.40
  6. Step 6: Final answer
    x = 267,515.10

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