Home / 837,315.38-1,255,634.82-324,710.60

Finding the Fourth Proportional to 837,315.38, 1,255,634.82 and 324,710.60

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Solution

The fourth proportional to 837,315.38, 1,255,634.82 and 324,710.60 is: 486,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,315.38 : 1,255,634.82 = 324,710.60 : x
  2. Step 2: Convert to fraction form
    837,315.38/1,255,634.82 = 324,710.60/x
  3. Step 3: Cross multiply
    837,315.38x = 1,255,634.82 × 324,710.60
  4. Step 4: Simplify right side
    837,315.38x = 407,717,929,504.92
  5. Step 5: Solve for x
    x = 407,717,929,504.92/837,315.38
  6. Step 6: Final answer
    x = 486,934.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.