Home / 1,431,338.80-2,147,006.80-366,379.20

Finding the Fourth Proportional to 1,431,338.80, 2,147,006.80 and 366,379.20

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Solution

The fourth proportional to 1,431,338.80, 2,147,006.80 and 366,379.20 is: 549,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,338.80 : 2,147,006.80 = 366,379.20 : x
  2. Step 2: Convert to fraction form
    1,431,338.80/2,147,006.80 = 366,379.20/x
  3. Step 3: Cross multiply
    1,431,338.80x = 2,147,006.80 × 366,379.20
  4. Step 4: Simplify right side
    1,431,338.80x = 786,618,633,778.56
  5. Step 5: Solve for x
    x = 786,618,633,778.56/1,431,338.80
  6. Step 6: Final answer
    x = 549,568.44

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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.