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Finding the Fourth Proportional to 490,952.70, 736,429.05 and 397,640.70

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Solution

The fourth proportional to 490,952.70, 736,429.05 and 397,640.70 is: 596,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,952.70 : 736,429.05 = 397,640.70 : x
  2. Step 2: Convert to fraction form
    490,952.70/736,429.05 = 397,640.70/x
  3. Step 3: Cross multiply
    490,952.70x = 736,429.05 × 397,640.70
  4. Step 4: Simplify right side
    490,952.70x = 292,834,162,942.34
  5. Step 5: Solve for x
    x = 292,834,162,942.34/490,952.70
  6. Step 6: Final answer
    x = 596,461.05

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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.