Home / 682,821-942,293.06-376,897.49

Finding the Fourth Proportional to 682,821, 942,293.06 and 376,897.49

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Solution

The fourth proportional to 682,821, 942,293.06 and 376,897.49 is: 520,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,821 : 942,293.06 = 376,897.49 : x
  2. Step 2: Convert to fraction form
    682,821/942,293.06 = 376,897.49/x
  3. Step 3: Cross multiply
    682,821x = 942,293.06 × 376,897.49
  4. Step 4: Simplify right side
    682,821x = 355,147,885,389.20
  5. Step 5: Solve for x
    x = 355,147,885,389.20/682,821
  6. Step 6: Final answer
    x = 520,118.57

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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.