Home / 669,666.30-1,004,499.45-403,727.10

Finding the Fourth Proportional to 669,666.30, 1,004,499.45 and 403,727.10

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Solution

The fourth proportional to 669,666.30, 1,004,499.45 and 403,727.10 is: 605,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,666.30 : 1,004,499.45 = 403,727.10 : x
  2. Step 2: Convert to fraction form
    669,666.30/1,004,499.45 = 403,727.10/x
  3. Step 3: Cross multiply
    669,666.30x = 1,004,499.45 × 403,727.10
  4. Step 4: Simplify right side
    669,666.30x = 405,543,649,900.10
  5. Step 5: Solve for x
    x = 405,543,649,900.10/669,666.30
  6. Step 6: Final answer
    x = 605,590.65

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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.