Home / 394,512.79-544,416.75-222,429.26

Finding the Fourth Proportional to 394,512.79, 544,416.75 and 222,429.26

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Solution

The fourth proportional to 394,512.79, 544,416.75 and 222,429.26 is: 306,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,512.79 : 544,416.75 = 222,429.26 : x
  2. Step 2: Convert to fraction form
    394,512.79/544,416.75 = 222,429.26/x
  3. Step 3: Cross multiply
    394,512.79x = 544,416.75 × 222,429.26
  4. Step 4: Simplify right side
    394,512.79x = 121,094,214,834.11
  5. Step 5: Solve for x
    x = 121,094,214,834.11/394,512.79
  6. Step 6: Final answer
    x = 306,946.24

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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.