Home / 529,217.20-730,316.82-287,497.84

Finding the Fourth Proportional to 529,217.20, 730,316.82 and 287,497.84

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Solution

The fourth proportional to 529,217.20, 730,316.82 and 287,497.84 is: 396,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,217.20 : 730,316.82 = 287,497.84 : x
  2. Step 2: Convert to fraction form
    529,217.20/730,316.82 = 287,497.84/x
  3. Step 3: Cross multiply
    529,217.20x = 730,316.82 × 287,497.84
  4. Step 4: Simplify right side
    529,217.20x = 209,964,508,265.67
  5. Step 5: Solve for x
    x = 209,964,508,265.67/529,217.20
  6. Step 6: Final answer
    x = 396,745.44

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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.