Home / 529,160.36-730,246.74-287,447.72

Finding the Fourth Proportional to 529,160.36, 730,246.74 and 287,447.72

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Solution

The fourth proportional to 529,160.36, 730,246.74 and 287,447.72 is: 396,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,160.36 : 730,246.74 = 287,447.72 : x
  2. Step 2: Convert to fraction form
    529,160.36/730,246.74 = 287,447.72/x
  3. Step 3: Cross multiply
    529,160.36x = 730,246.74 × 287,447.72
  4. Step 4: Simplify right side
    529,160.36x = 209,907,760,450.43
  5. Step 5: Solve for x
    x = 209,907,760,450.43/529,160.36
  6. Step 6: Final answer
    x = 396,680.81

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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.