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Finding the Fourth Proportional to 575,407.71, 863,360.54 and 308,856.96

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Solution

The fourth proportional to 575,407.71, 863,360.54 and 308,856.96 is: 463,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,407.71 : 863,360.54 = 308,856.96 : x
  2. Step 2: Convert to fraction form
    575,407.71/863,360.54 = 308,856.96/x
  3. Step 3: Cross multiply
    575,407.71x = 863,360.54 × 308,856.96
  4. Step 4: Simplify right side
    575,407.71x = 266,654,910,224.07
  5. Step 5: Solve for x
    x = 266,654,910,224.07/575,407.71
  6. Step 6: Final answer
    x = 463,419.08

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