Home / 323,650.41-446,828.93-287,741.04

Finding the Fourth Proportional to 323,650.41, 446,828.93 and 287,741.04

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Solution

The fourth proportional to 323,650.41, 446,828.93 and 287,741.04 is: 397,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,650.41 : 446,828.93 = 287,741.04 : x
  2. Step 2: Convert to fraction form
    323,650.41/446,828.93 = 287,741.04/x
  3. Step 3: Cross multiply
    323,650.41x = 446,828.93 × 287,741.04
  4. Step 4: Simplify right side
    323,650.41x = 128,571,021,020.29
  5. Step 5: Solve for x
    x = 128,571,021,020.29/323,650.41
  6. Step 6: Final answer
    x = 397,252.77

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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.