Home / 818,856.92-1,129,993.80-456,262.04

Finding the Fourth Proportional to 818,856.92, 1,129,993.80 and 456,262.04

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Solution

The fourth proportional to 818,856.92, 1,129,993.80 and 456,262.04 is: 629,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,856.92 : 1,129,993.80 = 456,262.04 : x
  2. Step 2: Convert to fraction form
    818,856.92/1,129,993.80 = 456,262.04/x
  3. Step 3: Cross multiply
    818,856.92x = 1,129,993.80 × 456,262.04
  4. Step 4: Simplify right side
    818,856.92x = 515,573,276,375.35
  5. Step 5: Solve for x
    x = 515,573,276,375.35/818,856.92
  6. Step 6: Final answer
    x = 629,625.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.