Home / 669,621.32-1,004,431.97-295,569.80

Finding the Fourth Proportional to 669,621.32, 1,004,431.97 and 295,569.80

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Solution

The fourth proportional to 669,621.32, 1,004,431.97 and 295,569.80 is: 443,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,621.32 : 1,004,431.97 = 295,569.80 : x
  2. Step 2: Convert to fraction form
    669,621.32/1,004,431.97 = 295,569.80/x
  3. Step 3: Cross multiply
    669,621.32x = 1,004,431.97 × 295,569.80
  4. Step 4: Simplify right side
    669,621.32x = 296,879,752,203.27
  5. Step 5: Solve for x
    x = 296,879,752,203.27/669,621.32
  6. Step 6: Final answer
    x = 443,354.69

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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.