Home / 815,341.33-1,125,208.49-452,766.60

Finding the Fourth Proportional to 815,341.33, 1,125,208.49 and 452,766.60

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Solution

The fourth proportional to 815,341.33, 1,125,208.49 and 452,766.60 is: 624,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,341.33 : 1,125,208.49 = 452,766.60 : x
  2. Step 2: Convert to fraction form
    815,341.33/1,125,208.49 = 452,766.60/x
  3. Step 3: Cross multiply
    815,341.33x = 1,125,208.49 × 452,766.60
  4. Step 4: Simplify right side
    815,341.33x = 509,456,822,308.43
  5. Step 5: Solve for x
    x = 509,456,822,308.43/815,341.33
  6. Step 6: Final answer
    x = 624,838.71

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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.