Home / 843,904.50-1,265,856.76-252,928.50

Finding the Fourth Proportional to 843,904.50, 1,265,856.76 and 252,928.50

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Solution

The fourth proportional to 843,904.50, 1,265,856.76 and 252,928.50 is: 379,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,904.50 : 1,265,856.76 = 252,928.50 : x
  2. Step 2: Convert to fraction form
    843,904.50/1,265,856.76 = 252,928.50/x
  3. Step 3: Cross multiply
    843,904.50x = 1,265,856.76 × 252,928.50
  4. Step 4: Simplify right side
    843,904.50x = 320,171,251,521.66
  5. Step 5: Solve for x
    x = 320,171,251,521.66/843,904.50
  6. Step 6: Final answer
    x = 379,392.75

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Similar ratio
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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.