Home / 682,731.20-1,024,096.80-367,803.20

Finding the Fourth Proportional to 682,731.20, 1,024,096.80 and 367,803.20

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Solution

The fourth proportional to 682,731.20, 1,024,096.80 and 367,803.20 is: 551,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,731.20 : 1,024,096.80 = 367,803.20 : x
  2. Step 2: Convert to fraction form
    682,731.20/1,024,096.80 = 367,803.20/x
  3. Step 3: Cross multiply
    682,731.20x = 1,024,096.80 × 367,803.20
  4. Step 4: Simplify right side
    682,731.20x = 376,666,080,149.76
  5. Step 5: Solve for x
    x = 376,666,080,149.76/682,731.20
  6. Step 6: Final answer
    x = 551,704.80

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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.