Home / 487,945.37-673,368.03-273,105.42

Finding the Fourth Proportional to 487,945.37, 673,368.03 and 273,105.42

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Solution

The fourth proportional to 487,945.37, 673,368.03 and 273,105.42 is: 376,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,945.37 : 673,368.03 = 273,105.42 : x
  2. Step 2: Convert to fraction form
    487,945.37/673,368.03 = 273,105.42/x
  3. Step 3: Cross multiply
    487,945.37x = 673,368.03 × 273,105.42
  4. Step 4: Simplify right side
    487,945.37x = 183,900,458,647.72
  5. Step 5: Solve for x
    x = 183,900,458,647.72/487,945.37
  6. Step 6: Final answer
    x = 376,887.40

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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.