Home / 682,013.48-941,157.02-376,102.78

Finding the Fourth Proportional to 682,013.48, 941,157.02 and 376,102.78

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Solution

The fourth proportional to 682,013.48, 941,157.02 and 376,102.78 is: 519,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,013.48 : 941,157.02 = 376,102.78 : x
  2. Step 2: Convert to fraction form
    682,013.48/941,157.02 = 376,102.78/x
  3. Step 3: Cross multiply
    682,013.48x = 941,157.02 × 376,102.78
  4. Step 4: Simplify right side
    682,013.48x = 353,971,770,225.88
  5. Step 5: Solve for x
    x = 353,971,770,225.88/682,013.48
  6. Step 6: Final answer
    x = 519,009.94

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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.