Home / 946,949.26-1,420,429.20-315,861.34

Finding the Fourth Proportional to 946,949.26, 1,420,429.20 and 315,861.34

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Solution

The fourth proportional to 946,949.26, 1,420,429.20 and 315,861.34 is: 473,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,949.26 : 1,420,429.20 = 315,861.34 : x
  2. Step 2: Convert to fraction form
    946,949.26/1,420,429.20 = 315,861.34/x
  3. Step 3: Cross multiply
    946,949.26x = 1,420,429.20 × 315,861.34
  4. Step 4: Simplify right side
    946,949.26x = 448,658,670,487.13
  5. Step 5: Solve for x
    x = 448,658,670,487.13/946,949.26
  6. Step 6: Final answer
    x = 473,793.78

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Double scale
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1.5x scale

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.