Home / 906,047.37-1,360,120.95-486,143.37

Finding the Fourth Proportional to 906,047.37, 1,360,120.95 and 486,143.37

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Solution

The fourth proportional to 906,047.37, 1,360,120.95 and 486,143.37 is: 729,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,047.37 : 1,360,120.95 = 486,143.37 : x
  2. Step 2: Convert to fraction form
    906,047.37/1,360,120.95 = 486,143.37/x
  3. Step 3: Cross multiply
    906,047.37x = 1,360,120.95 × 486,143.37
  4. Step 4: Simplify right side
    906,047.37x = 661,213,782,240.60
  5. Step 5: Solve for x
    x = 661,213,782,240.60/906,047.37
  6. Step 6: Final answer
    x = 729,778.38

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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.