Home / 774,099.06-1,161,221.88-300,820.92

Finding the Fourth Proportional to 774,099.06, 1,161,221.88 and 300,820.92

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Solution

The fourth proportional to 774,099.06, 1,161,221.88 and 300,820.92 is: 451,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,099.06 : 1,161,221.88 = 300,820.92 : x
  2. Step 2: Convert to fraction form
    774,099.06/1,161,221.88 = 300,820.92/x
  3. Step 3: Cross multiply
    774,099.06x = 1,161,221.88 × 300,820.92
  4. Step 4: Simplify right side
    774,099.06x = 349,319,834,265.73
  5. Step 5: Solve for x
    x = 349,319,834,265.73/774,099.06
  6. Step 6: Final answer
    x = 451,259.86

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1.5x scale

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.