Home / 956,170.78-1,434,361.26-316,241.42

Finding the Fourth Proportional to 956,170.78, 1,434,361.26 and 316,241.42

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Solution

The fourth proportional to 956,170.78, 1,434,361.26 and 316,241.42 is: 474,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,170.78 : 1,434,361.26 = 316,241.42 : x
  2. Step 2: Convert to fraction form
    956,170.78/1,434,361.26 = 316,241.42/x
  3. Step 3: Cross multiply
    956,170.78x = 1,434,361.26 × 316,241.42
  4. Step 4: Simplify right side
    956,170.78x = 453,604,441,655.39
  5. Step 5: Solve for x
    x = 453,604,441,655.39/956,170.78
  6. Step 6: Final answer
    x = 474,396.89

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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.