Home / 669,974.56-1,004,396.62-290,609.68

Finding the Fourth Proportional to 669,974.56, 1,004,396.62 and 290,609.68

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Solution

The fourth proportional to 669,974.56, 1,004,396.62 and 290,609.68 is: 435,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,974.56 : 1,004,396.62 = 290,609.68 : x
  2. Step 2: Convert to fraction form
    669,974.56/1,004,396.62 = 290,609.68/x
  3. Step 3: Cross multiply
    669,974.56x = 1,004,396.62 × 290,609.68
  4. Step 4: Simplify right side
    669,974.56x = 291,887,380,331.28
  5. Step 5: Solve for x
    x = 291,887,380,331.28/669,974.56
  6. Step 6: Final answer
    x = 435,669.35

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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.