Home / 675,355.86-1,012,659.30-276,276.96

Finding the Fourth Proportional to 675,355.86, 1,012,659.30 and 276,276.96

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Solution

The fourth proportional to 675,355.86, 1,012,659.30 and 276,276.96 is: 414,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,355.86 : 1,012,659.30 = 276,276.96 : x
  2. Step 2: Convert to fraction form
    675,355.86/1,012,659.30 = 276,276.96/x
  3. Step 3: Cross multiply
    675,355.86x = 1,012,659.30 × 276,276.96
  4. Step 4: Simplify right side
    675,355.86x = 279,774,432,919.73
  5. Step 5: Solve for x
    x = 279,774,432,919.73/675,355.86
  6. Step 6: Final answer
    x = 414,262.24

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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.