Home / 990,249.70-1,366,577.16-560,520.64

Finding the Fourth Proportional to 990,249.70, 1,366,577.16 and 560,520.64

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Solution

The fourth proportional to 990,249.70, 1,366,577.16 and 560,520.64 is: 773,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,249.70 : 1,366,577.16 = 560,520.64 : x
  2. Step 2: Convert to fraction form
    990,249.70/1,366,577.16 = 560,520.64/x
  3. Step 3: Cross multiply
    990,249.70x = 1,366,577.16 × 560,520.64
  4. Step 4: Simplify right side
    990,249.70x = 765,994,704,332.58
  5. Step 5: Solve for x
    x = 765,994,704,332.58/990,249.70
  6. Step 6: Final answer
    x = 773,536.92

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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.