Home / 682,829-942,304.06-376,905.46

Finding the Fourth Proportional to 682,829, 942,304.06 and 376,905.46

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Solution

The fourth proportional to 682,829, 942,304.06 and 376,905.46 is: 520,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,829 : 942,304.06 = 376,905.46 : x
  2. Step 2: Convert to fraction form
    682,829/942,304.06 = 376,905.46/x
  3. Step 3: Cross multiply
    682,829x = 942,304.06 × 376,905.46
  4. Step 4: Simplify right side
    682,829x = 355,159,545,194.17
  5. Step 5: Solve for x
    x = 355,159,545,194.17/682,829
  6. Step 6: Final answer
    x = 520,129.56

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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.