Home / 863,742.97-1,191,956.99-476,561.50

Finding the Fourth Proportional to 863,742.97, 1,191,956.99 and 476,561.50

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Solution

The fourth proportional to 863,742.97, 1,191,956.99 and 476,561.50 is: 657,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,742.97 : 1,191,956.99 = 476,561.50 : x
  2. Step 2: Convert to fraction form
    863,742.97/1,191,956.99 = 476,561.50/x
  3. Step 3: Cross multiply
    863,742.97x = 1,191,956.99 × 476,561.50
  4. Step 4: Simplify right side
    863,742.97x = 568,040,813,100.55
  5. Step 5: Solve for x
    x = 568,040,813,100.55/863,742.97
  6. Step 6: Final answer
    x = 657,650.29

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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.