Home / 488,819.45-674,569.95-273,959.46

Finding the Fourth Proportional to 488,819.45, 674,569.95 and 273,959.46

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Solution

The fourth proportional to 488,819.45, 674,569.95 and 273,959.46 is: 378,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,819.45 : 674,569.95 = 273,959.46 : x
  2. Step 2: Convert to fraction form
    488,819.45/674,569.95 = 273,959.46/x
  3. Step 3: Cross multiply
    488,819.45x = 674,569.95 × 273,959.46
  4. Step 4: Simplify right side
    488,819.45x = 184,804,817,864.43
  5. Step 5: Solve for x
    x = 184,804,817,864.43/488,819.45
  6. Step 6: Final answer
    x = 378,063.55

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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.