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Finding the Fourth Proportional to 615,910.40, 923,692.80 and 195,315.20

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Solution

The fourth proportional to 615,910.40, 923,692.80 and 195,315.20 is: 292,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,910.40 : 923,692.80 = 195,315.20 : x
  2. Step 2: Convert to fraction form
    615,910.40/923,692.80 = 195,315.20/x
  3. Step 3: Cross multiply
    615,910.40x = 923,692.80 × 195,315.20
  4. Step 4: Simplify right side
    615,910.40x = 180,411,243,970.56
  5. Step 5: Solve for x
    x = 180,411,243,970.56/615,910.40
  6. Step 6: Final answer
    x = 292,918.00

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