Home / 797,685.80-1,101,212.90-615,989.84

Finding the Fourth Proportional to 797,685.80, 1,101,212.90 and 615,989.84

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Solution

The fourth proportional to 797,685.80, 1,101,212.90 and 615,989.84 is: 850,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,685.80 : 1,101,212.90 = 615,989.84 : x
  2. Step 2: Convert to fraction form
    797,685.80/1,101,212.90 = 615,989.84/x
  3. Step 3: Cross multiply
    797,685.80x = 1,101,212.90 × 615,989.84
  4. Step 4: Simplify right side
    797,685.80x = 678,335,955,930.43
  5. Step 5: Solve for x
    x = 678,335,955,930.43/797,685.80
  6. Step 6: Final answer
    x = 850,379.88

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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.