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Finding the Fourth Proportional to 489,176.10, 733,764.15 and 312,029.10

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Solution

The fourth proportional to 489,176.10, 733,764.15 and 312,029.10 is: 468,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,176.10 : 733,764.15 = 312,029.10 : x
  2. Step 2: Convert to fraction form
    489,176.10/733,764.15 = 312,029.10/x
  3. Step 3: Cross multiply
    489,176.10x = 733,764.15 × 312,029.10
  4. Step 4: Simplify right side
    489,176.10x = 228,955,767,336.77
  5. Step 5: Solve for x
    x = 228,955,767,336.77/489,176.10
  6. Step 6: Final answer
    x = 468,043.65

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