Home / 769,106.39-1,061,388.26-424,964.48

Finding the Fourth Proportional to 769,106.39, 1,061,388.26 and 424,964.48

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Solution

The fourth proportional to 769,106.39, 1,061,388.26 and 424,964.48 is: 586,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,106.39 : 1,061,388.26 = 424,964.48 : x
  2. Step 2: Convert to fraction form
    769,106.39/1,061,388.26 = 424,964.48/x
  3. Step 3: Cross multiply
    769,106.39x = 1,061,388.26 × 424,964.48
  4. Step 4: Simplify right side
    769,106.39x = 451,052,304,150.86
  5. Step 5: Solve for x
    x = 451,052,304,150.86/769,106.39
  6. Step 6: Final answer
    x = 586,462.82

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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.