Home / 669,719.32-1,004,717.38-220,467.14

Finding the Fourth Proportional to 669,719.32, 1,004,717.38 and 220,467.14

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Solution

The fourth proportional to 669,719.32, 1,004,717.38 and 220,467.14 is: 330,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,719.32 : 1,004,717.38 = 220,467.14 : x
  2. Step 2: Convert to fraction form
    669,719.32/1,004,717.38 = 220,467.14/x
  3. Step 3: Cross multiply
    669,719.32x = 1,004,717.38 × 220,467.14
  4. Step 4: Simplify right side
    669,719.32x = 221,507,170,914.68
  5. Step 5: Solve for x
    x = 221,507,170,914.68/669,719.32
  6. Step 6: Final answer
    x = 330,746.28

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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.