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Finding the Fourth Proportional to 463,638.40, 696,113.70 and 363,911.20

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Solution

The fourth proportional to 463,638.40, 696,113.70 and 363,911.20 is: 546,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,638.40 : 696,113.70 = 363,911.20 : x
  2. Step 2: Convert to fraction form
    463,638.40/696,113.70 = 363,911.20/x
  3. Step 3: Cross multiply
    463,638.40x = 696,113.70 × 363,911.20
  4. Step 4: Simplify right side
    463,638.40x = 253,323,571,903.44
  5. Step 5: Solve for x
    x = 253,323,571,903.44/463,638.40
  6. Step 6: Final answer
    x = 546,381.77

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