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Finding the Fourth Proportional to 362,905.20, 543,701.70 and 310,417.20

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Solution

The fourth proportional to 362,905.20, 543,701.70 and 310,417.20 is: 465,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,905.20 : 543,701.70 = 310,417.20 : x
  2. Step 2: Convert to fraction form
    362,905.20/543,701.70 = 310,417.20/x
  3. Step 3: Cross multiply
    362,905.20x = 543,701.70 × 310,417.20
  4. Step 4: Simplify right side
    362,905.20x = 168,774,359,349.24
  5. Step 5: Solve for x
    x = 168,774,359,349.24/362,905.20
  6. Step 6: Final answer
    x = 465,064.59

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