Home / 896,443.80-1,344,665.70-327,823.80

Finding the Fourth Proportional to 896,443.80, 1,344,665.70 and 327,823.80

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Solution

The fourth proportional to 896,443.80, 1,344,665.70 and 327,823.80 is: 491,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,443.80 : 1,344,665.70 = 327,823.80 : x
  2. Step 2: Convert to fraction form
    896,443.80/1,344,665.70 = 327,823.80/x
  3. Step 3: Cross multiply
    896,443.80x = 1,344,665.70 × 327,823.80
  4. Step 4: Simplify right side
    896,443.80x = 440,813,419,503.66
  5. Step 5: Solve for x
    x = 440,813,419,503.66/896,443.80
  6. Step 6: Final answer
    x = 491,735.70

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Double scale
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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.