Home / 741,919.55-1,023,849.06-419,622.80

Finding the Fourth Proportional to 741,919.55, 1,023,849.06 and 419,622.80

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Solution

The fourth proportional to 741,919.55, 1,023,849.06 and 419,622.80 is: 579,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,919.55 : 1,023,849.06 = 419,622.80 : x
  2. Step 2: Convert to fraction form
    741,919.55/1,023,849.06 = 419,622.80/x
  3. Step 3: Cross multiply
    741,919.55x = 1,023,849.06 × 419,622.80
  4. Step 4: Simplify right side
    741,919.55x = 429,630,409,334.57
  5. Step 5: Solve for x
    x = 429,630,409,334.57/741,919.55
  6. Step 6: Final answer
    x = 579,079.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.