Home / 682,829.43-942,304.67-376,905.89

Finding the Fourth Proportional to 682,829.43, 942,304.67 and 376,905.89

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Solution

The fourth proportional to 682,829.43, 942,304.67 and 376,905.89 is: 520,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,829.43 : 942,304.67 = 376,905.89 : x
  2. Step 2: Convert to fraction form
    682,829.43/942,304.67 = 376,905.89/x
  3. Step 3: Cross multiply
    682,829.43x = 942,304.67 × 376,905.89
  4. Step 4: Simplify right side
    682,829.43x = 355,160,179,001.92
  5. Step 5: Solve for x
    x = 355,160,179,001.92/682,829.43
  6. Step 6: Final answer
    x = 520,130.16

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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.