Home / 1,008,489.33-1,391,715.27-555,780.33

Finding the Fourth Proportional to 1,008,489.33, 1,391,715.27 and 555,780.33

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Solution

The fourth proportional to 1,008,489.33, 1,391,715.27 and 555,780.33 is: 766,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,489.33 : 1,391,715.27 = 555,780.33 : x
  2. Step 2: Convert to fraction form
    1,008,489.33/1,391,715.27 = 555,780.33/x
  3. Step 3: Cross multiply
    1,008,489.33x = 1,391,715.27 × 555,780.33
  4. Step 4: Simplify right side
    1,008,489.33x = 773,487,972,026.64
  5. Step 5: Solve for x
    x = 773,487,972,026.64/1,008,489.33
  6. Step 6: Final answer
    x = 766,976.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.