Home / 815,493.60-1,125,418.59-452,919.06

Finding the Fourth Proportional to 815,493.60, 1,125,418.59 and 452,919.06

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Solution

The fourth proportional to 815,493.60, 1,125,418.59 and 452,919.06 is: 625,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,493.60 : 1,125,418.59 = 452,919.06 : x
  2. Step 2: Convert to fraction form
    815,493.60/1,125,418.59 = 452,919.06/x
  3. Step 3: Cross multiply
    815,493.60x = 1,125,418.59 × 452,919.06
  4. Step 4: Simplify right side
    815,493.60x = 509,723,529,889.33
  5. Step 5: Solve for x
    x = 509,723,529,889.33/815,493.60
  6. Step 6: Final answer
    x = 625,049.09

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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.