Home / 843,133.59-1,265,198.54-311,028.26

Finding the Fourth Proportional to 843,133.59, 1,265,198.54 and 311,028.26

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Solution

The fourth proportional to 843,133.59, 1,265,198.54 and 311,028.26 is: 466,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,133.59 : 1,265,198.54 = 311,028.26 : x
  2. Step 2: Convert to fraction form
    843,133.59/1,265,198.54 = 311,028.26/x
  3. Step 3: Cross multiply
    843,133.59x = 1,265,198.54 × 311,028.26
  4. Step 4: Simplify right side
    843,133.59x = 393,512,492,569.61
  5. Step 5: Solve for x
    x = 393,512,492,569.61/843,133.59
  6. Step 6: Final answer
    x = 466,726.15

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1.5x scale

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.