Home / 769,705.07-1,062,147.23-425,520.39

Finding the Fourth Proportional to 769,705.07, 1,062,147.23 and 425,520.39

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Solution

The fourth proportional to 769,705.07, 1,062,147.23 and 425,520.39 is: 587,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,705.07 : 1,062,147.23 = 425,520.39 : x
  2. Step 2: Convert to fraction form
    769,705.07/1,062,147.23 = 425,520.39/x
  3. Step 3: Cross multiply
    769,705.07x = 1,062,147.23 × 425,520.39
  4. Step 4: Simplify right side
    769,705.07x = 451,965,301,023.59
  5. Step 5: Solve for x
    x = 451,965,301,023.59/769,705.07
  6. Step 6: Final answer
    x = 587,192.84

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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.