Home / 549,317.82-758,135.39-396,849.30

Finding the Fourth Proportional to 549,317.82, 758,135.39 and 396,849.30

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Solution

The fourth proportional to 549,317.82, 758,135.39 and 396,849.30 is: 547,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,317.82 : 758,135.39 = 396,849.30 : x
  2. Step 2: Convert to fraction form
    549,317.82/758,135.39 = 396,849.30/x
  3. Step 3: Cross multiply
    549,317.82x = 758,135.39 × 396,849.30
  4. Step 4: Simplify right side
    549,317.82x = 300,865,498,826.73
  5. Step 5: Solve for x
    x = 300,865,498,826.73/549,317.82
  6. Step 6: Final answer
    x = 547,707.52

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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.