Home / 906,074.20-1,360,160.70-486,170.20

Finding the Fourth Proportional to 906,074.20, 1,360,160.70 and 486,170.20

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Solution

The fourth proportional to 906,074.20, 1,360,160.70 and 486,170.20 is: 729,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,074.20 : 1,360,160.70 = 486,170.20 : x
  2. Step 2: Convert to fraction form
    906,074.20/1,360,160.70 = 486,170.20/x
  3. Step 3: Cross multiply
    906,074.20x = 1,360,160.70 × 486,170.20
  4. Step 4: Simplify right side
    906,074.20x = 661,269,599,551.14
  5. Step 5: Solve for x
    x = 661,269,599,551.14/906,074.20
  6. Step 6: Final answer
    x = 729,818.37

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Double scale
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Similar ratio
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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.