Home / 675,275.37-1,012,539.11-276,196.40

Finding the Fourth Proportional to 675,275.37, 1,012,539.11 and 276,196.40

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Solution

The fourth proportional to 675,275.37, 1,012,539.11 and 276,196.40 is: 414,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,275.37 : 1,012,539.11 = 276,196.40 : x
  2. Step 2: Convert to fraction form
    675,275.37/1,012,539.11 = 276,196.40/x
  3. Step 3: Cross multiply
    675,275.37x = 1,012,539.11 × 276,196.40
  4. Step 4: Simplify right side
    675,275.37x = 279,659,651,978.51
  5. Step 5: Solve for x
    x = 279,659,651,978.51/675,275.37
  6. Step 6: Final answer
    x = 414,141.64

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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.