Home / 743,244.26-1,114,626.50-210,622.28

Finding the Fourth Proportional to 743,244.26, 1,114,626.50 and 210,622.28

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Solution

The fourth proportional to 743,244.26, 1,114,626.50 and 210,622.28 is: 315,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,244.26 : 1,114,626.50 = 210,622.28 : x
  2. Step 2: Convert to fraction form
    743,244.26/1,114,626.50 = 210,622.28/x
  3. Step 3: Cross multiply
    743,244.26x = 1,114,626.50 × 210,622.28
  4. Step 4: Simplify right side
    743,244.26x = 234,765,176,511.88
  5. Step 5: Solve for x
    x = 234,765,176,511.88/743,244.26
  6. Step 6: Final answer
    x = 315,865.44

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Double scale
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Similar ratio
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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.