Home / 529,331.07-730,481.33-287,613.64

Finding the Fourth Proportional to 529,331.07, 730,481.33 and 287,613.64

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Solution

The fourth proportional to 529,331.07, 730,481.33 and 287,613.64 is: 396,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,331.07 : 730,481.33 = 287,613.64 : x
  2. Step 2: Convert to fraction form
    529,331.07/730,481.33 = 287,613.64/x
  3. Step 3: Cross multiply
    529,331.07x = 730,481.33 × 287,613.64
  4. Step 4: Simplify right side
    529,331.07x = 210,096,392,835.27
  5. Step 5: Solve for x
    x = 210,096,392,835.27/529,331.07
  6. Step 6: Final answer
    x = 396,909.24

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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.