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Finding the Fourth Proportional to 490,850.70, 736,276.05 and 402,204.30

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Solution

The fourth proportional to 490,850.70, 736,276.05 and 402,204.30 is: 603,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,850.70 : 736,276.05 = 402,204.30 : x
  2. Step 2: Convert to fraction form
    490,850.70/736,276.05 = 402,204.30/x
  3. Step 3: Cross multiply
    490,850.70x = 736,276.05 × 402,204.30
  4. Step 4: Simplify right side
    490,850.70x = 296,133,393,297.02
  5. Step 5: Solve for x
    x = 296,133,393,297.02/490,850.70
  6. Step 6: Final answer
    x = 603,306.45

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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.