Home / 722,911.09-1,084,738.43-344,261.20

Finding the Fourth Proportional to 722,911.09, 1,084,738.43 and 344,261.20

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Solution

The fourth proportional to 722,911.09, 1,084,738.43 and 344,261.20 is: 516,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,911.09 : 1,084,738.43 = 344,261.20 : x
  2. Step 2: Convert to fraction form
    722,911.09/1,084,738.43 = 344,261.20/x
  3. Step 3: Cross multiply
    722,911.09x = 1,084,738.43 × 344,261.20
  4. Step 4: Simplify right side
    722,911.09x = 373,433,353,597.92
  5. Step 5: Solve for x
    x = 373,433,353,597.92/722,911.09
  6. Step 6: Final answer
    x = 516,568.85

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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.