Home / 993,458.38-1,490,201.25-283,486.21

Finding the Fourth Proportional to 993,458.38, 1,490,201.25 and 283,486.21

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Solution

The fourth proportional to 993,458.38, 1,490,201.25 and 283,486.21 is: 425,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,458.38 : 1,490,201.25 = 283,486.21 : x
  2. Step 2: Convert to fraction form
    993,458.38/1,490,201.25 = 283,486.21/x
  3. Step 3: Cross multiply
    993,458.38x = 1,490,201.25 × 283,486.21
  4. Step 4: Simplify right side
    993,458.38x = 422,451,504,499.76
  5. Step 5: Solve for x
    x = 422,451,504,499.76/993,458.38
  6. Step 6: Final answer
    x = 425,233.22

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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.