Home / 906,074.70-1,360,161.45-486,170.70

Finding the Fourth Proportional to 906,074.70, 1,360,161.45 and 486,170.70

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Solution

The fourth proportional to 906,074.70, 1,360,161.45 and 486,170.70 is: 729,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,074.70 : 1,360,161.45 = 486,170.70 : x
  2. Step 2: Convert to fraction form
    906,074.70/1,360,161.45 = 486,170.70/x
  3. Step 3: Cross multiply
    906,074.70x = 1,360,161.45 × 486,170.70
  4. Step 4: Simplify right side
    906,074.70x = 661,270,644,259.52
  5. Step 5: Solve for x
    x = 661,270,644,259.52/906,074.70
  6. Step 6: Final answer
    x = 729,819.12

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Double scale
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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.