Home / 529,579.98-730,825.26-287,863.11

Finding the Fourth Proportional to 529,579.98, 730,825.26 and 287,863.11

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Solution

The fourth proportional to 529,579.98, 730,825.26 and 287,863.11 is: 397,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,579.98 : 730,825.26 = 287,863.11 : x
  2. Step 2: Convert to fraction form
    529,579.98/730,825.26 = 287,863.11/x
  3. Step 3: Cross multiply
    529,579.98x = 730,825.26 × 287,863.11
  4. Step 4: Simplify right side
    529,579.98x = 210,377,632,210.16
  5. Step 5: Solve for x
    x = 210,377,632,210.16/529,579.98
  6. Step 6: Final answer
    x = 397,253.75

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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.