Home / 990,650.40-1,367,113.44-560,919.04

Finding the Fourth Proportional to 990,650.40, 1,367,113.44 and 560,919.04

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Solution

The fourth proportional to 990,650.40, 1,367,113.44 and 560,919.04 is: 774,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,650.40 : 1,367,113.44 = 560,919.04 : x
  2. Step 2: Convert to fraction form
    990,650.40/1,367,113.44 = 560,919.04/x
  3. Step 3: Cross multiply
    990,650.40x = 1,367,113.44 × 560,919.04
  4. Step 4: Simplify right side
    990,650.40x = 766,839,958,335.90
  5. Step 5: Solve for x
    x = 766,839,958,335.90/990,650.40
  6. Step 6: Final answer
    x = 774,077.27

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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.