Home / 799,135.81-1,102,846.79-454,978.56

Finding the Fourth Proportional to 799,135.81, 1,102,846.79 and 454,978.56

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Solution

The fourth proportional to 799,135.81, 1,102,846.79 and 454,978.56 is: 627,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,135.81 : 1,102,846.79 = 454,978.56 : x
  2. Step 2: Convert to fraction form
    799,135.81/1,102,846.79 = 454,978.56/x
  3. Step 3: Cross multiply
    799,135.81x = 1,102,846.79 × 454,978.56
  4. Step 4: Simplify right side
    799,135.81x = 501,771,641,933.55
  5. Step 5: Solve for x
    x = 501,771,641,933.55/799,135.81
  6. Step 6: Final answer
    x = 627,892.82

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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.