Home / 735,644.12-1,015,309.20-612,941.80

Finding the Fourth Proportional to 735,644.12, 1,015,309.20 and 612,941.80

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Solution

The fourth proportional to 735,644.12, 1,015,309.20 and 612,941.80 is: 845,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,644.12 : 1,015,309.20 = 612,941.80 : x
  2. Step 2: Convert to fraction form
    735,644.12/1,015,309.20 = 612,941.80/x
  3. Step 3: Cross multiply
    735,644.12x = 1,015,309.20 × 612,941.80
  4. Step 4: Simplify right side
    735,644.12x = 622,325,448,604.56
  5. Step 5: Solve for x
    x = 622,325,448,604.56/735,644.12
  6. Step 6: Final answer
    x = 845,959.93

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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.