Home / 669,649.20-1,004,473.80-226,417.20

Finding the Fourth Proportional to 669,649.20, 1,004,473.80 and 226,417.20

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Solution

The fourth proportional to 669,649.20, 1,004,473.80 and 226,417.20 is: 339,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,649.20 : 1,004,473.80 = 226,417.20 : x
  2. Step 2: Convert to fraction form
    669,649.20/1,004,473.80 = 226,417.20/x
  3. Step 3: Cross multiply
    669,649.20x = 1,004,473.80 × 226,417.20
  4. Step 4: Simplify right side
    669,649.20x = 227,430,145,269.36
  5. Step 5: Solve for x
    x = 227,430,145,269.36/669,649.20
  6. Step 6: Final answer
    x = 339,625.80

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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.