Home / 873,145.76-1,204,932.48-485,954.72

Finding the Fourth Proportional to 873,145.76, 1,204,932.48 and 485,954.72

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Solution

The fourth proportional to 873,145.76, 1,204,932.48 and 485,954.72 is: 670,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,145.76 : 1,204,932.48 = 485,954.72 : x
  2. Step 2: Convert to fraction form
    873,145.76/1,204,932.48 = 485,954.72/x
  3. Step 3: Cross multiply
    873,145.76x = 1,204,932.48 × 485,954.72
  4. Step 4: Simplify right side
    873,145.76x = 585,542,625,937.31
  5. Step 5: Solve for x
    x = 585,542,625,937.31/873,145.76
  6. Step 6: Final answer
    x = 670,612.69

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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.