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Finding the Fourth Proportional to 458,774.16, 688,161.24 and 143,258.10

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Solution

The fourth proportional to 458,774.16, 688,161.24 and 143,258.10 is: 214,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,774.16 : 688,161.24 = 143,258.10 : x
  2. Step 2: Convert to fraction form
    458,774.16/688,161.24 = 143,258.10/x
  3. Step 3: Cross multiply
    458,774.16x = 688,161.24 × 143,258.10
  4. Step 4: Simplify right side
    458,774.16x = 98,584,671,736.04
  5. Step 5: Solve for x
    x = 98,584,671,736.04/458,774.16
  6. Step 6: Final answer
    x = 214,887.15

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