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Finding the Fourth Proportional to 529,587.92, 730,831.81 and 287,870.48

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Solution

The fourth proportional to 529,587.92, 730,831.81 and 287,870.48 is: 397,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,587.92 : 730,831.81 = 287,870.48 : x
  2. Step 2: Convert to fraction form
    529,587.92/730,831.81 = 287,870.48/x
  3. Step 3: Cross multiply
    529,587.92x = 730,831.81 × 287,870.48
  4. Step 4: Simplify right side
    529,587.92x = 210,384,905,614.41
  5. Step 5: Solve for x
    x = 210,384,905,614.41/529,587.92
  6. Step 6: Final answer
    x = 397,261.53

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