Home / 494,356.15-682,110.88-290,440.27

Finding the Fourth Proportional to 494,356.15, 682,110.88 and 290,440.27

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Solution

The fourth proportional to 494,356.15, 682,110.88 and 290,440.27 is: 400,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,356.15 : 682,110.88 = 290,440.27 : x
  2. Step 2: Convert to fraction form
    494,356.15/682,110.88 = 290,440.27/x
  3. Step 3: Cross multiply
    494,356.15x = 682,110.88 × 290,440.27
  4. Step 4: Simplify right side
    494,356.15x = 198,112,468,157.14
  5. Step 5: Solve for x
    x = 198,112,468,157.14/494,356.15
  6. Step 6: Final answer
    x = 400,748.46

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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.