Home / 674,986.80-1,012,496.40-201,687.60

Finding the Fourth Proportional to 674,986.80, 1,012,496.40 and 201,687.60

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Solution

The fourth proportional to 674,986.80, 1,012,496.40 and 201,687.60 is: 302,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,986.80 : 1,012,496.40 = 201,687.60 : x
  2. Step 2: Convert to fraction form
    674,986.80/1,012,496.40 = 201,687.60/x
  3. Step 3: Cross multiply
    674,986.80x = 1,012,496.40 × 201,687.60
  4. Step 4: Simplify right side
    674,986.80x = 204,207,968,924.64
  5. Step 5: Solve for x
    x = 204,207,968,924.64/674,986.80
  6. Step 6: Final answer
    x = 302,536.24

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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.