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Finding the Fourth Proportional to 492,738.90, 739,108.35 and 488,073.30

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Solution

The fourth proportional to 492,738.90, 739,108.35 and 488,073.30 is: 732,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,738.90 : 739,108.35 = 488,073.30 : x
  2. Step 2: Convert to fraction form
    492,738.90/739,108.35 = 488,073.30/x
  3. Step 3: Cross multiply
    492,738.90x = 739,108.35 × 488,073.30
  4. Step 4: Simplify right side
    492,738.90x = 360,739,051,442.06
  5. Step 5: Solve for x
    x = 360,739,051,442.06/492,738.90
  6. Step 6: Final answer
    x = 732,109.95

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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.