Home / 908,661.22-1,253,961.06-500,777.98

Finding the Fourth Proportional to 908,661.22, 1,253,961.06 and 500,777.98

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Solution

The fourth proportional to 908,661.22, 1,253,961.06 and 500,777.98 is: 691,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,661.22 : 1,253,961.06 = 500,777.98 : x
  2. Step 2: Convert to fraction form
    908,661.22/1,253,961.06 = 500,777.98/x
  3. Step 3: Cross multiply
    908,661.22x = 1,253,961.06 × 500,777.98
  4. Step 4: Simplify right side
    908,661.22x = 627,956,086,625.46
  5. Step 5: Solve for x
    x = 627,956,086,625.46/908,661.22
  6. Step 6: Final answer
    x = 691,078.34

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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.