Home / 800,871.84-1,105,181.28-494,825.76

Finding the Fourth Proportional to 800,871.84, 1,105,181.28 and 494,825.76

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Solution

The fourth proportional to 800,871.84, 1,105,181.28 and 494,825.76 is: 682,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,871.84 : 1,105,181.28 = 494,825.76 : x
  2. Step 2: Convert to fraction form
    800,871.84/1,105,181.28 = 494,825.76/x
  3. Step 3: Cross multiply
    800,871.84x = 1,105,181.28 × 494,825.76
  4. Step 4: Simplify right side
    800,871.84x = 546,872,166,813.77
  5. Step 5: Solve for x
    x = 546,872,166,813.77/800,871.84
  6. Step 6: Final answer
    x = 682,846.04

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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.