Home / 682,828-942,302.68-376,904.46

Finding the Fourth Proportional to 682,828, 942,302.68 and 376,904.46

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Solution

The fourth proportional to 682,828, 942,302.68 and 376,904.46 is: 520,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,828 : 942,302.68 = 376,904.46 : x
  2. Step 2: Convert to fraction form
    682,828/942,302.68 = 376,904.46/x
  3. Step 3: Cross multiply
    682,828x = 942,302.68 × 376,904.46
  4. Step 4: Simplify right side
    682,828x = 355,158,082,761.95
  5. Step 5: Solve for x
    x = 355,158,082,761.95/682,828
  6. Step 6: Final answer
    x = 520,128.18

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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.