Home / 727,912.80-1,091,901.60-248,133.60

Finding the Fourth Proportional to 727,912.80, 1,091,901.60 and 248,133.60

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Solution

The fourth proportional to 727,912.80, 1,091,901.60 and 248,133.60 is: 372,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,912.80 : 1,091,901.60 = 248,133.60 : x
  2. Step 2: Convert to fraction form
    727,912.80/1,091,901.60 = 248,133.60/x
  3. Step 3: Cross multiply
    727,912.80x = 1,091,901.60 × 248,133.60
  4. Step 4: Simplify right side
    727,912.80x = 270,937,474,853.76
  5. Step 5: Solve for x
    x = 270,937,474,853.76/727,912.80
  6. Step 6: Final answer
    x = 372,211.44

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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.