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Finding the Fourth Proportional to 641,651.40, 885,572.28 and 369,666.36

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Solution

The fourth proportional to 641,651.40, 885,572.28 and 369,666.36 is: 510,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,651.40 : 885,572.28 = 369,666.36 : x
  2. Step 2: Convert to fraction form
    641,651.40/885,572.28 = 369,666.36/x
  3. Step 3: Cross multiply
    641,651.40x = 885,572.28 × 369,666.36
  4. Step 4: Simplify right side
    641,651.40x = 327,366,281,264.50
  5. Step 5: Solve for x
    x = 327,366,281,264.50/641,651.40
  6. Step 6: Final answer
    x = 510,193.36

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