Home / 488,812.32-674,587.44-274,021.38

Finding the Fourth Proportional to 488,812.32, 674,587.44 and 274,021.38

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Solution

The fourth proportional to 488,812.32, 674,587.44 and 274,021.38 is: 378,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,812.32 : 674,587.44 = 274,021.38 : x
  2. Step 2: Convert to fraction form
    488,812.32/674,587.44 = 274,021.38/x
  3. Step 3: Cross multiply
    488,812.32x = 674,587.44 × 274,021.38
  4. Step 4: Simplify right side
    488,812.32x = 184,851,381,239.47
  5. Step 5: Solve for x
    x = 184,851,381,239.47/488,812.32
  6. Step 6: Final answer
    x = 378,164.33

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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.