Home / 461,523.12-636,910.20-270,674.16

Finding the Fourth Proportional to 461,523.12, 636,910.20 and 270,674.16

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Solution

The fourth proportional to 461,523.12, 636,910.20 and 270,674.16 is: 373,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,523.12 : 636,910.20 = 270,674.16 : x
  2. Step 2: Convert to fraction form
    461,523.12/636,910.20 = 270,674.16/x
  3. Step 3: Cross multiply
    461,523.12x = 636,910.20 × 270,674.16
  4. Step 4: Simplify right side
    461,523.12x = 172,395,133,380.43
  5. Step 5: Solve for x
    x = 172,395,133,380.43/461,523.12
  6. Step 6: Final answer
    x = 373,535.21

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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.