Home / 675,275.43-1,012,539.22-276,196.45

Finding the Fourth Proportional to 675,275.43, 1,012,539.22 and 276,196.45

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Solution

The fourth proportional to 675,275.43, 1,012,539.22 and 276,196.45 is: 414,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,275.43 : 1,012,539.22 = 276,196.45 : x
  2. Step 2: Convert to fraction form
    675,275.43/1,012,539.22 = 276,196.45/x
  3. Step 3: Cross multiply
    675,275.43x = 1,012,539.22 × 276,196.45
  4. Step 4: Simplify right side
    675,275.43x = 279,659,734,827.93
  5. Step 5: Solve for x
    x = 279,659,734,827.93/675,275.43
  6. Step 6: Final answer
    x = 414,141.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.