Home / 876,194.40-1,314,637.20-343,624.80

Finding the Fourth Proportional to 876,194.40, 1,314,637.20 and 343,624.80

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Solution

The fourth proportional to 876,194.40, 1,314,637.20 and 343,624.80 is: 515,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,194.40 : 1,314,637.20 = 343,624.80 : x
  2. Step 2: Convert to fraction form
    876,194.40/1,314,637.20 = 343,624.80/x
  3. Step 3: Cross multiply
    876,194.40x = 1,314,637.20 × 343,624.80
  4. Step 4: Simplify right side
    876,194.40x = 451,741,944,922.56
  5. Step 5: Solve for x
    x = 451,741,944,922.56/876,194.40
  6. Step 6: Final answer
    x = 515,572.74

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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.