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Finding the Fourth Proportional to 407,774.76, 562,729.18 and 228,926.76

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Solution

The fourth proportional to 407,774.76, 562,729.18 and 228,926.76 is: 315,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,774.76 : 562,729.18 = 228,926.76 : x
  2. Step 2: Convert to fraction form
    407,774.76/562,729.18 = 228,926.76/x
  3. Step 3: Cross multiply
    407,774.76x = 562,729.18 × 228,926.76
  4. Step 4: Simplify right side
    407,774.76x = 128,823,767,934.86
  5. Step 5: Solve for x
    x = 128,823,767,934.86/407,774.76
  6. Step 6: Final answer
    x = 315,918.94

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