Home / 930,902.99-1,396,354.57-299,816.80

Finding the Fourth Proportional to 930,902.99, 1,396,354.57 and 299,816.80

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Solution

The fourth proportional to 930,902.99, 1,396,354.57 and 299,816.80 is: 449,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,902.99 : 1,396,354.57 = 299,816.80 : x
  2. Step 2: Convert to fraction form
    930,902.99/1,396,354.57 = 299,816.80/x
  3. Step 3: Cross multiply
    930,902.99x = 1,396,354.57 × 299,816.80
  4. Step 4: Simplify right side
    930,902.99x = 418,650,558,842.78
  5. Step 5: Solve for x
    x = 418,650,558,842.78/930,902.99
  6. Step 6: Final answer
    x = 449,725.23

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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.