Home / 693,464.40-1,040,196.60-320,216.40

Finding the Fourth Proportional to 693,464.40, 1,040,196.60 and 320,216.40

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Solution

The fourth proportional to 693,464.40, 1,040,196.60 and 320,216.40 is: 480,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,464.40 : 1,040,196.60 = 320,216.40 : x
  2. Step 2: Convert to fraction form
    693,464.40/1,040,196.60 = 320,216.40/x
  3. Step 3: Cross multiply
    693,464.40x = 1,040,196.60 × 320,216.40
  4. Step 4: Simplify right side
    693,464.40x = 333,088,010,544.24
  5. Step 5: Solve for x
    x = 333,088,010,544.24/693,464.40
  6. Step 6: Final answer
    x = 480,324.60

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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.