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Finding the Fourth Proportional to 553,209.84, 763,598.82 and 323,820.78

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Solution

The fourth proportional to 553,209.84, 763,598.82 and 323,820.78 is: 446,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,209.84 : 763,598.82 = 323,820.78 : x
  2. Step 2: Convert to fraction form
    553,209.84/763,598.82 = 323,820.78/x
  3. Step 3: Cross multiply
    553,209.84x = 763,598.82 × 323,820.78
  4. Step 4: Simplify right side
    553,209.84x = 247,269,165,499.48
  5. Step 5: Solve for x
    x = 247,269,165,499.48/553,209.84
  6. Step 6: Final answer
    x = 446,971.74

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