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Finding the Fourth Proportional to 489,077.70, 733,616.55 and 276,501.30

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Solution

The fourth proportional to 489,077.70, 733,616.55 and 276,501.30 is: 414,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,077.70 : 733,616.55 = 276,501.30 : x
  2. Step 2: Convert to fraction form
    489,077.70/733,616.55 = 276,501.30/x
  3. Step 3: Cross multiply
    489,077.70x = 733,616.55 × 276,501.30
  4. Step 4: Simplify right side
    489,077.70x = 202,845,929,776.52
  5. Step 5: Solve for x
    x = 202,845,929,776.52/489,077.70
  6. Step 6: Final answer
    x = 414,751.95

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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.