Home / 988,614.36-1,481,924.43-389,343.96

Finding the Fourth Proportional to 988,614.36, 1,481,924.43 and 389,343.96

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Solution

The fourth proportional to 988,614.36, 1,481,924.43 and 389,343.96 is: 583,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,614.36 : 1,481,924.43 = 389,343.96 : x
  2. Step 2: Convert to fraction form
    988,614.36/1,481,924.43 = 389,343.96/x
  3. Step 3: Cross multiply
    988,614.36x = 1,481,924.43 × 389,343.96
  4. Step 4: Simplify right side
    988,614.36x = 576,978,325,996.94
  5. Step 5: Solve for x
    x = 576,978,325,996.94/988,614.36
  6. Step 6: Final answer
    x = 583,623.25

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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.