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Finding the Fourth Proportional to 489,078.70, 733,618.05 and 276,502.30

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Solution

The fourth proportional to 489,078.70, 733,618.05 and 276,502.30 is: 414,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,078.70 : 733,618.05 = 276,502.30 : x
  2. Step 2: Convert to fraction form
    489,078.70/733,618.05 = 276,502.30/x
  3. Step 3: Cross multiply
    489,078.70x = 733,618.05 × 276,502.30
  4. Step 4: Simplify right side
    489,078.70x = 202,847,078,146.52
  5. Step 5: Solve for x
    x = 202,847,078,146.52/489,078.70
  6. Step 6: Final answer
    x = 414,753.45

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Similar ratio
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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.