Home / 529,224.20-730,326.42-287,504.84

Finding the Fourth Proportional to 529,224.20, 730,326.42 and 287,504.84

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Solution

The fourth proportional to 529,224.20, 730,326.42 and 287,504.84 is: 396,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,224.20 : 730,326.42 = 287,504.84 : x
  2. Step 2: Convert to fraction form
    529,224.20/730,326.42 = 287,504.84/x
  3. Step 3: Cross multiply
    529,224.20x = 730,326.42 × 287,504.84
  4. Step 4: Simplify right side
    529,224.20x = 209,972,380,529.87
  5. Step 5: Solve for x
    x = 209,972,380,529.87/529,224.20
  6. Step 6: Final answer
    x = 396,755.06

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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.