Home / 843,156.09-1,265,232.42-311,050.89

Finding the Fourth Proportional to 843,156.09, 1,265,232.42 and 311,050.89

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Solution

The fourth proportional to 843,156.09, 1,265,232.42 and 311,050.89 is: 466,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,156.09 : 1,265,232.42 = 311,050.89 : x
  2. Step 2: Convert to fraction form
    843,156.09/1,265,232.42 = 311,050.89/x
  3. Step 3: Cross multiply
    843,156.09x = 1,265,232.42 × 311,050.89
  4. Step 4: Simplify right side
    843,156.09x = 393,551,670,297.85
  5. Step 5: Solve for x
    x = 393,551,670,297.85/843,156.09
  6. Step 6: Final answer
    x = 466,760.16

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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.