Home / 735,211.80-1,102,817.70-261,912.60

Finding the Fourth Proportional to 735,211.80, 1,102,817.70 and 261,912.60

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Solution

The fourth proportional to 735,211.80, 1,102,817.70 and 261,912.60 is: 392,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,211.80 : 1,102,817.70 = 261,912.60 : x
  2. Step 2: Convert to fraction form
    735,211.80/1,102,817.70 = 261,912.60/x
  3. Step 3: Cross multiply
    735,211.80x = 1,102,817.70 × 261,912.60
  4. Step 4: Simplify right side
    735,211.80x = 288,841,851,133.02
  5. Step 5: Solve for x
    x = 288,841,851,133.02/735,211.80
  6. Step 6: Final answer
    x = 392,868.90

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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.