Home / 722,912.09-1,084,739.93-344,262.20

Finding the Fourth Proportional to 722,912.09, 1,084,739.93 and 344,262.20

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Solution

The fourth proportional to 722,912.09, 1,084,739.93 and 344,262.20 is: 516,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,912.09 : 1,084,739.93 = 344,262.20 : x
  2. Step 2: Convert to fraction form
    722,912.09/1,084,739.93 = 344,262.20/x
  3. Step 3: Cross multiply
    722,912.09x = 1,084,739.93 × 344,262.20
  4. Step 4: Simplify right side
    722,912.09x = 373,434,954,729.65
  5. Step 5: Solve for x
    x = 373,434,954,729.65/722,912.09
  6. Step 6: Final answer
    x = 516,570.35

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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.