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Finding the Fourth Proportional to 539,479.14, 744,779.52 and 324,672

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Solution

The fourth proportional to 539,479.14, 744,779.52 and 324,672 is: 448,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,479.14 : 744,779.52 = 324,672 : x
  2. Step 2: Convert to fraction form
    539,479.14/744,779.52 = 324,672/x
  3. Step 3: Cross multiply
    539,479.14x = 744,779.52 × 324,672
  4. Step 4: Simplify right side
    539,479.14x = 241,809,056,317.44
  5. Step 5: Solve for x
    x = 241,809,056,317.44/539,479.14
  6. Step 6: Final answer
    x = 448,226.89

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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.