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Finding the Fourth Proportional to 641,684.33, 963,472.71 and 357,929.28

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Solution

The fourth proportional to 641,684.33, 963,472.71 and 357,929.28 is: 537,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,684.33 : 963,472.71 = 357,929.28 : x
  2. Step 2: Convert to fraction form
    641,684.33/963,472.71 = 357,929.28/x
  3. Step 3: Cross multiply
    641,684.33x = 963,472.71 × 357,929.28
  4. Step 4: Simplify right side
    641,684.33x = 344,855,092,718.83
  5. Step 5: Solve for x
    x = 344,855,092,718.83/641,684.33
  6. Step 6: Final answer
    x = 537,421.72

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