Home / 881,498.30-1,216,541.43-494,307.56

Finding the Fourth Proportional to 881,498.30, 1,216,541.43 and 494,307.56

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Solution

The fourth proportional to 881,498.30, 1,216,541.43 and 494,307.56 is: 682,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,498.30 : 1,216,541.43 = 494,307.56 : x
  2. Step 2: Convert to fraction form
    881,498.30/1,216,541.43 = 494,307.56/x
  3. Step 3: Cross multiply
    881,498.30x = 1,216,541.43 × 494,307.56
  4. Step 4: Simplify right side
    881,498.30x = 601,345,628,943.56
  5. Step 5: Solve for x
    x = 601,345,628,943.56/881,498.30
  6. Step 6: Final answer
    x = 682,185.81

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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.