Home / 812,242-1,120,738.44-525,722.32

Finding the Fourth Proportional to 812,242, 1,120,738.44 and 525,722.32

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Solution

The fourth proportional to 812,242, 1,120,738.44 and 525,722.32 is: 725,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,242 : 1,120,738.44 = 525,722.32 : x
  2. Step 2: Convert to fraction form
    812,242/1,120,738.44 = 525,722.32/x
  3. Step 3: Cross multiply
    812,242x = 1,120,738.44 × 525,722.32
  4. Step 4: Simplify right side
    812,242x = 589,197,212,789.98
  5. Step 5: Solve for x
    x = 589,197,212,789.98/812,242
  6. Step 6: Final answer
    x = 725,396.14

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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.