Home / 908,667.22-1,253,969.34-500,783.98

Finding the Fourth Proportional to 908,667.22, 1,253,969.34 and 500,783.98

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Solution

The fourth proportional to 908,667.22, 1,253,969.34 and 500,783.98 is: 691,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,667.22 : 1,253,969.34 = 500,783.98 : x
  2. Step 2: Convert to fraction form
    908,667.22/1,253,969.34 = 500,783.98/x
  3. Step 3: Cross multiply
    908,667.22x = 1,253,969.34 × 500,783.98
  4. Step 4: Simplify right side
    908,667.22x = 627,967,756,883.17
  5. Step 5: Solve for x
    x = 627,967,756,883.17/908,667.22
  6. Step 6: Final answer
    x = 691,086.62

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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.