Home / 1,008,311.43-1,391,451.73-549,429.97

Finding the Fourth Proportional to 1,008,311.43, 1,391,451.73 and 549,429.97

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Solution

The fourth proportional to 1,008,311.43, 1,391,451.73 and 549,429.97 is: 758,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,311.43 : 1,391,451.73 = 549,429.97 : x
  2. Step 2: Convert to fraction form
    1,008,311.43/1,391,451.73 = 549,429.97/x
  3. Step 3: Cross multiply
    1,008,311.43x = 1,391,451.73 × 549,429.97
  4. Step 4: Simplify right side
    1,008,311.43x = 764,505,282,270.35
  5. Step 5: Solve for x
    x = 764,505,282,270.35/1,008,311.43
  6. Step 6: Final answer
    x = 758,203.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.