Home / 928,873.20-1,393,309.80-456,481.20

Finding the Fourth Proportional to 928,873.20, 1,393,309.80 and 456,481.20

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Solution

The fourth proportional to 928,873.20, 1,393,309.80 and 456,481.20 is: 684,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,873.20 : 1,393,309.80 = 456,481.20 : x
  2. Step 2: Convert to fraction form
    928,873.20/1,393,309.80 = 456,481.20/x
  3. Step 3: Cross multiply
    928,873.20x = 1,393,309.80 × 456,481.20
  4. Step 4: Simplify right side
    928,873.20x = 636,019,729,475.76
  5. Step 5: Solve for x
    x = 636,019,729,475.76/928,873.20
  6. Step 6: Final answer
    x = 684,721.80

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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.