Home / 769,777.87-1,062,276.83-425,600.57

Finding the Fourth Proportional to 769,777.87, 1,062,276.83 and 425,600.57

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Solution

The fourth proportional to 769,777.87, 1,062,276.83 and 425,600.57 is: 587,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,777.87 : 1,062,276.83 = 425,600.57 : x
  2. Step 2: Convert to fraction form
    769,777.87/1,062,276.83 = 425,600.57/x
  3. Step 3: Cross multiply
    769,777.87x = 1,062,276.83 × 425,600.57
  4. Step 4: Simplify right side
    769,777.87x = 452,105,619,034.41
  5. Step 5: Solve for x
    x = 452,105,619,034.41/769,777.87
  6. Step 6: Final answer
    x = 587,319.59

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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.