Home / 678,338.70-1,017,524.25-205,022.22

Finding the Fourth Proportional to 678,338.70, 1,017,524.25 and 205,022.22

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Solution

The fourth proportional to 678,338.70, 1,017,524.25 and 205,022.22 is: 307,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,338.70 : 1,017,524.25 = 205,022.22 : x
  2. Step 2: Convert to fraction form
    678,338.70/1,017,524.25 = 205,022.22/x
  3. Step 3: Cross multiply
    678,338.70x = 1,017,524.25 × 205,022.22
  4. Step 4: Simplify right side
    678,338.70x = 208,615,080,638.84
  5. Step 5: Solve for x
    x = 208,615,080,638.84/678,338.70
  6. Step 6: Final answer
    x = 307,538.23

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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.