Home / 1,008,338.83-1,391,489.84-549,456.72

Finding the Fourth Proportional to 1,008,338.83, 1,391,489.84 and 549,456.72

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Solution

The fourth proportional to 1,008,338.83, 1,391,489.84 and 549,456.72 is: 758,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,338.83 : 1,391,489.84 = 549,456.72 : x
  2. Step 2: Convert to fraction form
    1,008,338.83/1,391,489.84 = 549,456.72/x
  3. Step 3: Cross multiply
    1,008,338.83x = 1,391,489.84 × 549,456.72
  4. Step 4: Simplify right side
    1,008,338.83x = 764,563,436,464.59
  5. Step 5: Solve for x
    x = 764,563,436,464.59/1,008,338.83
  6. Step 6: Final answer
    x = 758,240.60

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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.