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Finding the Fourth Proportional to 680,244.70, 940,032.39 and 510,183.58

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Solution

The fourth proportional to 680,244.70, 940,032.39 and 510,183.58 is: 705,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,244.70 : 940,032.39 = 510,183.58 : x
  2. Step 2: Convert to fraction form
    680,244.70/940,032.39 = 510,183.58/x
  3. Step 3: Cross multiply
    680,244.70x = 940,032.39 × 510,183.58
  4. Step 4: Simplify right side
    680,244.70x = 479,589,090,046.16
  5. Step 5: Solve for x
    x = 479,589,090,046.16/680,244.70
  6. Step 6: Final answer
    x = 705,024.37

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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.