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Finding the Fourth Proportional to 362,341.20, 542,855.70 and 309,853.20

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Solution

The fourth proportional to 362,341.20, 542,855.70 and 309,853.20 is: 464,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,341.20 : 542,855.70 = 309,853.20 : x
  2. Step 2: Convert to fraction form
    362,341.20/542,855.70 = 309,853.20/x
  3. Step 3: Cross multiply
    362,341.20x = 542,855.70 × 309,853.20
  4. Step 4: Simplify right side
    362,341.20x = 168,205,575,783.24
  5. Step 5: Solve for x
    x = 168,205,575,783.24/362,341.20
  6. Step 6: Final answer
    x = 464,218.74

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