Home / 769,820.66-1,062,333.58-425,647.46

Finding the Fourth Proportional to 769,820.66, 1,062,333.58 and 425,647.46

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Solution

The fourth proportional to 769,820.66, 1,062,333.58 and 425,647.46 is: 587,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,820.66 : 1,062,333.58 = 425,647.46 : x
  2. Step 2: Convert to fraction form
    769,820.66/1,062,333.58 = 425,647.46/x
  3. Step 3: Cross multiply
    769,820.66x = 1,062,333.58 × 425,647.46
  4. Step 4: Simplify right side
    769,820.66x = 452,179,583,623.92
  5. Step 5: Solve for x
    x = 452,179,583,623.92/769,820.66
  6. Step 6: Final answer
    x = 587,383.02

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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.