Home / 549,835.26-758,741.38-320,429.90

Finding the Fourth Proportional to 549,835.26, 758,741.38 and 320,429.90

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Solution

The fourth proportional to 549,835.26, 758,741.38 and 320,429.90 is: 442,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,835.26 : 758,741.38 = 320,429.90 : x
  2. Step 2: Convert to fraction form
    549,835.26/758,741.38 = 320,429.90/x
  3. Step 3: Cross multiply
    549,835.26x = 758,741.38 × 320,429.90
  4. Step 4: Simplify right side
    549,835.26x = 243,123,423,481.08
  5. Step 5: Solve for x
    x = 243,123,423,481.08/549,835.26
  6. Step 6: Final answer
    x = 442,175.03

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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.