Home / 568,024.02-783,845.79-309,885.60

Finding the Fourth Proportional to 568,024.02, 783,845.79 and 309,885.60

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Solution

The fourth proportional to 568,024.02, 783,845.79 and 309,885.60 is: 427,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,024.02 : 783,845.79 = 309,885.60 : x
  2. Step 2: Convert to fraction form
    568,024.02/783,845.79 = 309,885.60/x
  3. Step 3: Cross multiply
    568,024.02x = 783,845.79 × 309,885.60
  4. Step 4: Simplify right side
    568,024.02x = 242,902,522,941.62
  5. Step 5: Solve for x
    x = 242,902,522,941.62/568,024.02
  6. Step 6: Final answer
    x = 427,627.20

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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.