Home / 682,841.09-942,320.75-376,917.56

Finding the Fourth Proportional to 682,841.09, 942,320.75 and 376,917.56

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Solution

The fourth proportional to 682,841.09, 942,320.75 and 376,917.56 is: 520,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,841.09 : 942,320.75 = 376,917.56 : x
  2. Step 2: Convert to fraction form
    682,841.09/942,320.75 = 376,917.56/x
  3. Step 3: Cross multiply
    682,841.09x = 942,320.75 × 376,917.56
  4. Step 4: Simplify right side
    682,841.09x = 355,177,237,827.37
  5. Step 5: Solve for x
    x = 355,177,237,827.37/682,841.09
  6. Step 6: Final answer
    x = 520,146.26

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Double scale
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1.5x scale

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.