Home / 814,492.98-1,222,215.75-341,138.70

Finding the Fourth Proportional to 814,492.98, 1,222,215.75 and 341,138.70

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Solution

The fourth proportional to 814,492.98, 1,222,215.75 and 341,138.70 is: 511,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,492.98 : 1,222,215.75 = 341,138.70 : x
  2. Step 2: Convert to fraction form
    814,492.98/1,222,215.75 = 341,138.70/x
  3. Step 3: Cross multiply
    814,492.98x = 1,222,215.75 × 341,138.70
  4. Step 4: Simplify right side
    814,492.98x = 416,945,092,074.53
  5. Step 5: Solve for x
    x = 416,945,092,074.53/814,492.98
  6. Step 6: Final answer
    x = 511,907.53

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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.