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Finding the Fourth Proportional to 524,058.40, 786,087.60 and 384,090.40

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Solution

The fourth proportional to 524,058.40, 786,087.60 and 384,090.40 is: 576,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,058.40 : 786,087.60 = 384,090.40 : x
  2. Step 2: Convert to fraction form
    524,058.40/786,087.60 = 384,090.40/x
  3. Step 3: Cross multiply
    524,058.40x = 786,087.60 × 384,090.40
  4. Step 4: Simplify right side
    524,058.40x = 301,928,700,719.04
  5. Step 5: Solve for x
    x = 301,928,700,719.04/524,058.40
  6. Step 6: Final answer
    x = 576,135.60

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