Home / 930,814.60-1,284,676.62-775,519.78

Finding the Fourth Proportional to 930,814.60, 1,284,676.62 and 775,519.78

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Solution

The fourth proportional to 930,814.60, 1,284,676.62 and 775,519.78 is: 1,070,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,814.60 : 1,284,676.62 = 775,519.78 : x
  2. Step 2: Convert to fraction form
    930,814.60/1,284,676.62 = 775,519.78/x
  3. Step 3: Cross multiply
    930,814.60x = 1,284,676.62 × 775,519.78
  4. Step 4: Simplify right side
    930,814.60x = 996,292,129,713.54
  5. Step 5: Solve for x
    x = 996,292,129,713.54/930,814.60
  6. Step 6: Final answer
    x = 1,070,344.33

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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.