Home / 488,905.83-674,721.23-274,045.95

Finding the Fourth Proportional to 488,905.83, 674,721.23 and 274,045.95

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Solution

The fourth proportional to 488,905.83, 674,721.23 and 274,045.95 is: 378,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,905.83 : 674,721.23 = 274,045.95 : x
  2. Step 2: Convert to fraction form
    488,905.83/674,721.23 = 274,045.95/x
  3. Step 3: Cross multiply
    488,905.83x = 674,721.23 × 274,045.95
  4. Step 4: Simplify right side
    488,905.83x = 184,904,619,090.29
  5. Step 5: Solve for x
    x = 184,904,619,090.29/488,905.83
  6. Step 6: Final answer
    x = 378,200.89

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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.