Home / 776,725.96-1,165,369.48-271,361.56

Finding the Fourth Proportional to 776,725.96, 1,165,369.48 and 271,361.56

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Solution

The fourth proportional to 776,725.96, 1,165,369.48 and 271,361.56 is: 407,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,725.96 : 1,165,369.48 = 271,361.56 : x
  2. Step 2: Convert to fraction form
    776,725.96/1,165,369.48 = 271,361.56/x
  3. Step 3: Cross multiply
    776,725.96x = 1,165,369.48 × 271,361.56
  4. Step 4: Simplify right side
    776,725.96x = 316,236,480,069.19
  5. Step 5: Solve for x
    x = 316,236,480,069.19/776,725.96
  6. Step 6: Final answer
    x = 407,140.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.