Home / 529,249.40-730,367.68-287,531.92

Finding the Fourth Proportional to 529,249.40, 730,367.68 and 287,531.92

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Solution

The fourth proportional to 529,249.40, 730,367.68 and 287,531.92 is: 396,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,249.40 : 730,367.68 = 287,531.92 : x
  2. Step 2: Convert to fraction form
    529,249.40/730,367.68 = 287,531.92/x
  3. Step 3: Cross multiply
    529,249.40x = 730,367.68 × 287,531.92
  4. Step 4: Simplify right side
    529,249.40x = 210,004,021,336.35
  5. Step 5: Solve for x
    x = 210,004,021,336.35/529,249.40
  6. Step 6: Final answer
    x = 396,795.96

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1.5x scale

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.