Home / 868,912.95-1,199,137.79-481,703.74

Finding the Fourth Proportional to 868,912.95, 1,199,137.79 and 481,703.74

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Solution

The fourth proportional to 868,912.95, 1,199,137.79 and 481,703.74 is: 664,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,912.95 : 1,199,137.79 = 481,703.74 : x
  2. Step 2: Convert to fraction form
    868,912.95/1,199,137.79 = 481,703.74/x
  3. Step 3: Cross multiply
    868,912.95x = 1,199,137.79 × 481,703.74
  4. Step 4: Simplify right side
    868,912.95x = 577,629,158,218.34
  5. Step 5: Solve for x
    x = 577,629,158,218.34/868,912.95
  6. Step 6: Final answer
    x = 664,772.18

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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.