Home / 683,803.76-1,024,890.38-318,575.44

Finding the Fourth Proportional to 683,803.76, 1,024,890.38 and 318,575.44

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Solution

The fourth proportional to 683,803.76, 1,024,890.38 and 318,575.44 is: 477,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,803.76 : 1,024,890.38 = 318,575.44 : x
  2. Step 2: Convert to fraction form
    683,803.76/1,024,890.38 = 318,575.44/x
  3. Step 3: Cross multiply
    683,803.76x = 1,024,890.38 × 318,575.44
  4. Step 4: Simplify right side
    683,803.76x = 326,504,903,760.27
  5. Step 5: Solve for x
    x = 326,504,903,760.27/683,803.76
  6. Step 6: Final answer
    x = 477,483.34

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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.