Home / 816,265.54-1,224,396.33-217,226.62

Finding the Fourth Proportional to 816,265.54, 1,224,396.33 and 217,226.62

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Solution

The fourth proportional to 816,265.54, 1,224,396.33 and 217,226.62 is: 325,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,265.54 : 1,224,396.33 = 217,226.62 : x
  2. Step 2: Convert to fraction form
    816,265.54/1,224,396.33 = 217,226.62/x
  3. Step 3: Cross multiply
    816,265.54x = 1,224,396.33 × 217,226.62
  4. Step 4: Simplify right side
    816,265.54x = 265,971,476,306.31
  5. Step 5: Solve for x
    x = 265,971,476,306.31/816,265.54
  6. Step 6: Final answer
    x = 325,839.40

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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.