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Finding the Fourth Proportional to 682,462.88, 941,852.16 and 376,599.92

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Solution

The fourth proportional to 682,462.88, 941,852.16 and 376,599.92 is: 519,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,462.88 : 941,852.16 = 376,599.92 : x
  2. Step 2: Convert to fraction form
    682,462.88/941,852.16 = 376,599.92/x
  3. Step 3: Cross multiply
    682,462.88x = 941,852.16 × 376,599.92
  4. Step 4: Simplify right side
    682,462.88x = 354,701,448,107.83
  5. Step 5: Solve for x
    x = 354,701,448,107.83/682,462.88
  6. Step 6: Final answer
    x = 519,737.35

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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.