Home / 796,135.28-1,098,616.90-438,439.28

Finding the Fourth Proportional to 796,135.28, 1,098,616.90 and 438,439.28

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Solution

The fourth proportional to 796,135.28, 1,098,616.90 and 438,439.28 is: 605,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,135.28 : 1,098,616.90 = 438,439.28 : x
  2. Step 2: Convert to fraction form
    796,135.28/1,098,616.90 = 438,439.28/x
  3. Step 3: Cross multiply
    796,135.28x = 1,098,616.90 × 438,439.28
  4. Step 4: Simplify right side
    796,135.28x = 481,676,802,631.83
  5. Step 5: Solve for x
    x = 481,676,802,631.83/796,135.28
  6. Step 6: Final answer
    x = 605,018.79

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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.