Home / 835,643.75-1,253,145.74-355,571.27

Finding the Fourth Proportional to 835,643.75, 1,253,145.74 and 355,571.27

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Solution

The fourth proportional to 835,643.75, 1,253,145.74 and 355,571.27 is: 533,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,643.75 : 1,253,145.74 = 355,571.27 : x
  2. Step 2: Convert to fraction form
    835,643.75/1,253,145.74 = 355,571.27/x
  3. Step 3: Cross multiply
    835,643.75x = 1,253,145.74 × 355,571.27
  4. Step 4: Simplify right side
    835,643.75x = 445,582,614,223.31
  5. Step 5: Solve for x
    x = 445,582,614,223.31/835,643.75
  6. Step 6: Final answer
    x = 533,220.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.