Home / 988,191.44-1,481,923.96-339,583.60

Finding the Fourth Proportional to 988,191.44, 1,481,923.96 and 339,583.60

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Solution

The fourth proportional to 988,191.44, 1,481,923.96 and 339,583.60 is: 509,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,191.44 : 1,481,923.96 = 339,583.60 : x
  2. Step 2: Convert to fraction form
    988,191.44/1,481,923.96 = 339,583.60/x
  3. Step 3: Cross multiply
    988,191.44x = 1,481,923.96 × 339,583.60
  4. Step 4: Simplify right side
    988,191.44x = 503,237,073,263.06
  5. Step 5: Solve for x
    x = 503,237,073,263.06/988,191.44
  6. Step 6: Final answer
    x = 509,250.59

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1.5x scale

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.