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Finding the Fourth Proportional to 682,442.66, 942,072.84 and 440,843.01

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Solution

The fourth proportional to 682,442.66, 942,072.84 and 440,843.01 is: 608,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,442.66 : 942,072.84 = 440,843.01 : x
  2. Step 2: Convert to fraction form
    682,442.66/942,072.84 = 440,843.01/x
  3. Step 3: Cross multiply
    682,442.66x = 942,072.84 × 440,843.01
  4. Step 4: Simplify right side
    682,442.66x = 415,306,226,424.85
  5. Step 5: Solve for x
    x = 415,306,226,424.85/682,442.66
  6. Step 6: Final answer
    x = 608,558.42

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1.5x scale

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.