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Finding the Fourth Proportional to 682,024.68, 941,172.42 and 376,113.92

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Solution

The fourth proportional to 682,024.68, 941,172.42 and 376,113.92 is: 519,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,024.68 : 941,172.42 = 376,113.92 : x
  2. Step 2: Convert to fraction form
    682,024.68/941,172.42 = 376,113.92/x
  3. Step 3: Cross multiply
    682,024.68x = 941,172.42 × 376,113.92
  4. Step 4: Simplify right side
    682,024.68x = 353,988,048,282.09
  5. Step 5: Solve for x
    x = 353,988,048,282.09/682,024.68
  6. Step 6: Final answer
    x = 519,025.28

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1.5x scale

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.