Home / 493,997.06-681,339.78-425,203.60

Finding the Fourth Proportional to 493,997.06, 681,339.78 and 425,203.60

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Solution

The fourth proportional to 493,997.06, 681,339.78 and 425,203.60 is: 586,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,997.06 : 681,339.78 = 425,203.60 : x
  2. Step 2: Convert to fraction form
    493,997.06/681,339.78 = 425,203.60/x
  3. Step 3: Cross multiply
    493,997.06x = 681,339.78 × 425,203.60
  4. Step 4: Simplify right side
    493,997.06x = 289,708,127,279.21
  5. Step 5: Solve for x
    x = 289,708,127,279.21/493,997.06
  6. Step 6: Final answer
    x = 586,457.19

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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.