Home / 675,275.68-1,012,539.59-276,196.70

Finding the Fourth Proportional to 675,275.68, 1,012,539.59 and 276,196.70

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Solution

The fourth proportional to 675,275.68, 1,012,539.59 and 276,196.70 is: 414,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,275.68 : 1,012,539.59 = 276,196.70 : x
  2. Step 2: Convert to fraction form
    675,275.68/1,012,539.59 = 276,196.70/x
  3. Step 3: Cross multiply
    675,275.68x = 1,012,539.59 × 276,196.70
  4. Step 4: Simplify right side
    675,275.68x = 279,660,093,377.35
  5. Step 5: Solve for x
    x = 279,660,093,377.35/675,275.68
  6. Step 6: Final answer
    x = 414,142.11

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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.