Home / 780,947.92-1,170,398.04-444,143.44

Finding the Fourth Proportional to 780,947.92, 1,170,398.04 and 444,143.44

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Solution

The fourth proportional to 780,947.92, 1,170,398.04 and 444,143.44 is: 665,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,947.92 : 1,170,398.04 = 444,143.44 : x
  2. Step 2: Convert to fraction form
    780,947.92/1,170,398.04 = 444,143.44/x
  3. Step 3: Cross multiply
    780,947.92x = 1,170,398.04 × 444,143.44
  4. Step 4: Simplify right side
    780,947.92x = 519,824,611,654.86
  5. Step 5: Solve for x
    x = 519,824,611,654.86/780,947.92
  6. Step 6: Final answer
    x = 665,632.88

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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.