Home / 930,907.62-1,396,361.51-299,821.44

Finding the Fourth Proportional to 930,907.62, 1,396,361.51 and 299,821.44

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Solution

The fourth proportional to 930,907.62, 1,396,361.51 and 299,821.44 is: 449,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,907.62 : 1,396,361.51 = 299,821.44 : x
  2. Step 2: Convert to fraction form
    930,907.62/1,396,361.51 = 299,821.44/x
  3. Step 3: Cross multiply
    930,907.62x = 1,396,361.51 × 299,821.44
  4. Step 4: Simplify right side
    930,907.62x = 418,659,117,189.67
  5. Step 5: Solve for x
    x = 418,659,117,189.67/930,907.62
  6. Step 6: Final answer
    x = 449,732.18

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Double scale
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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.