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Finding the Fourth Proportional to 622,371.40, 931,406.70 and 373,232.20

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Solution

The fourth proportional to 622,371.40, 931,406.70 and 373,232.20 is: 558,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,371.40 : 931,406.70 = 373,232.20 : x
  2. Step 2: Convert to fraction form
    622,371.40/931,406.70 = 373,232.20/x
  3. Step 3: Cross multiply
    622,371.40x = 931,406.70 × 373,232.20
  4. Step 4: Simplify right side
    622,371.40x = 347,630,971,735.74
  5. Step 5: Solve for x
    x = 347,630,971,735.74/622,371.40
  6. Step 6: Final answer
    x = 558,558.72

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