Home / 568,026.02-783,848.55-309,887.60

Finding the Fourth Proportional to 568,026.02, 783,848.55 and 309,887.60

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Solution

The fourth proportional to 568,026.02, 783,848.55 and 309,887.60 is: 427,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,026.02 : 783,848.55 = 309,887.60 : x
  2. Step 2: Convert to fraction form
    568,026.02/783,848.55 = 309,887.60/x
  3. Step 3: Cross multiply
    568,026.02x = 783,848.55 × 309,887.60
  4. Step 4: Simplify right side
    568,026.02x = 242,904,945,922.98
  5. Step 5: Solve for x
    x = 242,904,945,922.98/568,026.02
  6. Step 6: Final answer
    x = 427,629.96

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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.