Home / 900,559.82-1,350,839.73-426,986.84

Finding the Fourth Proportional to 900,559.82, 1,350,839.73 and 426,986.84

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Solution

The fourth proportional to 900,559.82, 1,350,839.73 and 426,986.84 is: 640,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,559.82 : 1,350,839.73 = 426,986.84 : x
  2. Step 2: Convert to fraction form
    900,559.82/1,350,839.73 = 426,986.84/x
  3. Step 3: Cross multiply
    900,559.82x = 1,350,839.73 × 426,986.84
  4. Step 4: Simplify right side
    900,559.82x = 576,790,792,637.45
  5. Step 5: Solve for x
    x = 576,790,792,637.45/900,559.82
  6. Step 6: Final answer
    x = 640,480.26

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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.