Home / 797,789.76-1,105,607.44-782,650.25

Finding the Fourth Proportional to 797,789.76, 1,105,607.44 and 782,650.25

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Solution

The fourth proportional to 797,789.76, 1,105,607.44 and 782,650.25 is: 1,084,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,789.76 : 1,105,607.44 = 782,650.25 : x
  2. Step 2: Convert to fraction form
    797,789.76/1,105,607.44 = 782,650.25/x
  3. Step 3: Cross multiply
    797,789.76x = 1,105,607.44 × 782,650.25
  4. Step 4: Simplify right side
    797,789.76x = 865,303,939,317.86
  5. Step 5: Solve for x
    x = 865,303,939,317.86/797,789.76
  6. Step 6: Final answer
    x = 1,084,626.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.