Home / 683,800.76-1,024,885.88-318,572.44

Finding the Fourth Proportional to 683,800.76, 1,024,885.88 and 318,572.44

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Solution

The fourth proportional to 683,800.76, 1,024,885.88 and 318,572.44 is: 477,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,800.76 : 1,024,885.88 = 318,572.44 : x
  2. Step 2: Convert to fraction form
    683,800.76/1,024,885.88 = 318,572.44/x
  3. Step 3: Cross multiply
    683,800.76x = 1,024,885.88 × 318,572.44
  4. Step 4: Simplify right side
    683,800.76x = 326,500,395,513.15
  5. Step 5: Solve for x
    x = 326,500,395,513.15/683,800.76
  6. Step 6: Final answer
    x = 477,478.84

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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.