Home / 675,274.87-1,012,538.36-276,195.89

Finding the Fourth Proportional to 675,274.87, 1,012,538.36 and 276,195.89

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Solution

The fourth proportional to 675,274.87, 1,012,538.36 and 276,195.89 is: 414,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,274.87 : 1,012,538.36 = 276,195.89 : x
  2. Step 2: Convert to fraction form
    675,274.87/1,012,538.36 = 276,195.89/x
  3. Step 3: Cross multiply
    675,274.87x = 1,012,538.36 × 276,195.89
  4. Step 4: Simplify right side
    675,274.87x = 279,658,936,721.18
  5. Step 5: Solve for x
    x = 279,658,936,721.18/675,274.87
  6. Step 6: Final answer
    x = 414,140.89

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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.