Home / 845,819.14-1,268,915.55-419,586.81

Finding the Fourth Proportional to 845,819.14, 1,268,915.55 and 419,586.81

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Solution

The fourth proportional to 845,819.14, 1,268,915.55 and 419,586.81 is: 629,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,819.14 : 1,268,915.55 = 419,586.81 : x
  2. Step 2: Convert to fraction form
    845,819.14/1,268,915.55 = 419,586.81/x
  3. Step 3: Cross multiply
    845,819.14x = 1,268,915.55 × 419,586.81
  4. Step 4: Simplify right side
    845,819.14x = 532,420,226,200.93
  5. Step 5: Solve for x
    x = 532,420,226,200.93/845,819.14
  6. Step 6: Final answer
    x = 629,472.90

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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.