Home / 489,276.70-733,915.06-329,844.40

Finding the Fourth Proportional to 489,276.70, 733,915.06 and 329,844.40

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Solution

The fourth proportional to 489,276.70, 733,915.06 and 329,844.40 is: 494,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,276.70 : 733,915.06 = 329,844.40 : x
  2. Step 2: Convert to fraction form
    489,276.70/733,915.06 = 329,844.40/x
  3. Step 3: Cross multiply
    489,276.70x = 733,915.06 × 329,844.40
  4. Step 4: Simplify right side
    489,276.70x = 242,077,772,616.66
  5. Step 5: Solve for x
    x = 242,077,772,616.66/489,276.70
  6. Step 6: Final answer
    x = 494,766.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.