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Finding the Fourth Proportional to 702,336.60, 969,230.34 and 412,121.70

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Solution

The fourth proportional to 702,336.60, 969,230.34 and 412,121.70 is: 568,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,336.60 : 969,230.34 = 412,121.70 : x
  2. Step 2: Convert to fraction form
    702,336.60/969,230.34 = 412,121.70/x
  3. Step 3: Cross multiply
    702,336.60x = 969,230.34 × 412,121.70
  4. Step 4: Simplify right side
    702,336.60x = 399,440,855,412.38
  5. Step 5: Solve for x
    x = 399,440,855,412.38/702,336.60
  6. Step 6: Final answer
    x = 568,731.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.