Home / 988,995.40-1,481,524.80-538,910.80

Finding the Fourth Proportional to 988,995.40, 1,481,524.80 and 538,910.80

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Solution

The fourth proportional to 988,995.40, 1,481,524.80 and 538,910.80 is: 807,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,995.40 : 1,481,524.80 = 538,910.80 : x
  2. Step 2: Convert to fraction form
    988,995.40/1,481,524.80 = 538,910.80/x
  3. Step 3: Cross multiply
    988,995.40x = 1,481,524.80 × 538,910.80
  4. Step 4: Simplify right side
    988,995.40x = 798,409,715,187.84
  5. Step 5: Solve for x
    x = 798,409,715,187.84/988,995.40
  6. Step 6: Final answer
    x = 807,293.66

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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.