Home / 467,174.44-643,943.55-365,021.74

Finding the Fourth Proportional to 467,174.44, 643,943.55 and 365,021.74

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Solution

The fourth proportional to 467,174.44, 643,943.55 and 365,021.74 is: 503,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,174.44 : 643,943.55 = 365,021.74 : x
  2. Step 2: Convert to fraction form
    467,174.44/643,943.55 = 365,021.74/x
  3. Step 3: Cross multiply
    467,174.44x = 643,943.55 × 365,021.74
  4. Step 4: Simplify right side
    467,174.44x = 235,053,395,082.78
  5. Step 5: Solve for x
    x = 235,053,395,082.78/467,174.44
  6. Step 6: Final answer
    x = 503,138.39

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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.