Home / 815,438.20-1,125,273.82-452,885.41

Finding the Fourth Proportional to 815,438.20, 1,125,273.82 and 452,885.41

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Solution

The fourth proportional to 815,438.20, 1,125,273.82 and 452,885.41 is: 624,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,438.20 : 1,125,273.82 = 452,885.41 : x
  2. Step 2: Convert to fraction form
    815,438.20/1,125,273.82 = 452,885.41/x
  3. Step 3: Cross multiply
    815,438.20x = 1,125,273.82 × 452,885.41
  4. Step 4: Simplify right side
    815,438.20x = 509,620,095,332.97
  5. Step 5: Solve for x
    x = 509,620,095,332.97/815,438.20
  6. Step 6: Final answer
    x = 624,964.71

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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.