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Finding the Fourth Proportional to 640,200.31, 883,888.29 and 410,856.46

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Solution

The fourth proportional to 640,200.31, 883,888.29 and 410,856.46 is: 567,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,200.31 : 883,888.29 = 410,856.46 : x
  2. Step 2: Convert to fraction form
    640,200.31/883,888.29 = 410,856.46/x
  3. Step 3: Cross multiply
    640,200.31x = 883,888.29 × 410,856.46
  4. Step 4: Simplify right side
    640,200.31x = 363,151,211,655.13
  5. Step 5: Solve for x
    x = 363,151,211,655.13/640,200.31
  6. Step 6: Final answer
    x = 567,246.23

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