Home / 906,065.40-1,360,147.98-486,161.40

Finding the Fourth Proportional to 906,065.40, 1,360,147.98 and 486,161.40

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Solution

The fourth proportional to 906,065.40, 1,360,147.98 and 486,161.40 is: 729,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,065.40 : 1,360,147.98 = 486,161.40 : x
  2. Step 2: Convert to fraction form
    906,065.40/1,360,147.98 = 486,161.40/x
  3. Step 3: Cross multiply
    906,065.40x = 1,360,147.98 × 486,161.40
  4. Step 4: Simplify right side
    906,065.40x = 661,251,446,163.97
  5. Step 5: Solve for x
    x = 661,251,446,163.97/906,065.40
  6. Step 6: Final answer
    x = 729,805.43

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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.