Home / 394,820.12-544,918.76-222,786.86

Finding the Fourth Proportional to 394,820.12, 544,918.76 and 222,786.86

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Solution

The fourth proportional to 394,820.12, 544,918.76 and 222,786.86 is: 307,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,820.12 : 544,918.76 = 222,786.86 : x
  2. Step 2: Convert to fraction form
    394,820.12/544,918.76 = 222,786.86/x
  3. Step 3: Cross multiply
    394,820.12x = 544,918.76 × 222,786.86
  4. Step 4: Simplify right side
    394,820.12x = 121,400,736,492.42
  5. Step 5: Solve for x
    x = 121,400,736,492.42/394,820.12
  6. Step 6: Final answer
    x = 307,483.66

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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.