Home / 796,131.28-1,098,611.40-438,435.28

Finding the Fourth Proportional to 796,131.28, 1,098,611.40 and 438,435.28

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Solution

The fourth proportional to 796,131.28, 1,098,611.40 and 438,435.28 is: 605,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,131.28 : 1,098,611.40 = 438,435.28 : x
  2. Step 2: Convert to fraction form
    796,131.28/1,098,611.40 = 438,435.28/x
  3. Step 3: Cross multiply
    796,131.28x = 1,098,611.40 × 438,435.28
  4. Step 4: Simplify right side
    796,131.28x = 481,669,996,770.19
  5. Step 5: Solve for x
    x = 481,669,996,770.19/796,131.28
  6. Step 6: Final answer
    x = 605,013.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.