Home / 1,017,396.27-1,526,361.17-307,443.15

Finding the Fourth Proportional to 1,017,396.27, 1,526,361.17 and 307,443.15

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Solution

The fourth proportional to 1,017,396.27, 1,526,361.17 and 307,443.15 is: 461,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,396.27 : 1,526,361.17 = 307,443.15 : x
  2. Step 2: Convert to fraction form
    1,017,396.27/1,526,361.17 = 307,443.15/x
  3. Step 3: Cross multiply
    1,017,396.27x = 1,526,361.17 × 307,443.15
  4. Step 4: Simplify right side
    1,017,396.27x = 469,269,286,142.49
  5. Step 5: Solve for x
    x = 469,269,286,142.49/1,017,396.27
  6. Step 6: Final answer
    x = 461,245.34

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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.