Home / 727,845.49-1,091,934.42-222,478.39

Finding the Fourth Proportional to 727,845.49, 1,091,934.42 and 222,478.39

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Solution

The fourth proportional to 727,845.49, 1,091,934.42 and 222,478.39 is: 333,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,845.49 : 1,091,934.42 = 222,478.39 : x
  2. Step 2: Convert to fraction form
    727,845.49/1,091,934.42 = 222,478.39/x
  3. Step 3: Cross multiply
    727,845.49x = 1,091,934.42 × 222,478.39
  4. Step 4: Simplify right side
    727,845.49x = 242,931,811,747.18
  5. Step 5: Solve for x
    x = 242,931,811,747.18/727,845.49
  6. Step 6: Final answer
    x = 333,768.38

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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.