Home / 323,664.60-446,848.48-287,755.22

Finding the Fourth Proportional to 323,664.60, 446,848.48 and 287,755.22

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Solution

The fourth proportional to 323,664.60, 446,848.48 and 287,755.22 is: 397,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,664.60 : 446,848.48 = 287,755.22 : x
  2. Step 2: Convert to fraction form
    323,664.60/446,848.48 = 287,755.22/x
  3. Step 3: Cross multiply
    323,664.60x = 446,848.48 × 287,755.22
  4. Step 4: Simplify right side
    323,664.60x = 128,582,982,669.07
  5. Step 5: Solve for x
    x = 128,582,982,669.07/323,664.60
  6. Step 6: Final answer
    x = 397,272.31

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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.