Home / 675,275.81-1,012,539.78-276,196.83

Finding the Fourth Proportional to 675,275.81, 1,012,539.78 and 276,196.83

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Solution

The fourth proportional to 675,275.81, 1,012,539.78 and 276,196.83 is: 414,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,275.81 : 1,012,539.78 = 276,196.83 : x
  2. Step 2: Convert to fraction form
    675,275.81/1,012,539.78 = 276,196.83/x
  3. Step 3: Cross multiply
    675,275.81x = 1,012,539.78 × 276,196.83
  4. Step 4: Simplify right side
    675,275.81x = 279,660,277,484.90
  5. Step 5: Solve for x
    x = 279,660,277,484.90/675,275.81
  6. Step 6: Final answer
    x = 414,142.30

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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.