Home / 821,751.36-1,232,512.22-281,999.16

Finding the Fourth Proportional to 821,751.36, 1,232,512.22 and 281,999.16

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Solution

The fourth proportional to 821,751.36, 1,232,512.22 and 281,999.16 is: 422,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,751.36 : 1,232,512.22 = 281,999.16 : x
  2. Step 2: Convert to fraction form
    821,751.36/1,232,512.22 = 281,999.16/x
  3. Step 3: Cross multiply
    821,751.36x = 1,232,512.22 × 281,999.16
  4. Step 4: Simplify right side
    821,751.36x = 347,567,409,319.74
  5. Step 5: Solve for x
    x = 347,567,409,319.74/821,751.36
  6. Step 6: Final answer
    x = 422,959.34

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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.