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Finding the Fourth Proportional to 529,390.00, 730,569.01 and 287,688.14

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Solution

The fourth proportional to 529,390.00, 730,569.01 and 287,688.14 is: 397,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,390.00 : 730,569.01 = 287,688.14 : x
  2. Step 2: Convert to fraction form
    529,390.00/730,569.01 = 287,688.14/x
  3. Step 3: Cross multiply
    529,390.00x = 730,569.01 × 287,688.14
  4. Step 4: Simplify right side
    529,390.00x = 210,176,041,648.96
  5. Step 5: Solve for x
    x = 210,176,041,648.96/529,390.00
  6. Step 6: Final answer
    x = 397,015.51

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