Home / 990,097.86-1,366,293.72-560,401.77

Finding the Fourth Proportional to 990,097.86, 1,366,293.72 and 560,401.77

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Solution

The fourth proportional to 990,097.86, 1,366,293.72 and 560,401.77 is: 773,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,097.86 : 1,366,293.72 = 560,401.77 : x
  2. Step 2: Convert to fraction form
    990,097.86/1,366,293.72 = 560,401.77/x
  3. Step 3: Cross multiply
    990,097.86x = 1,366,293.72 × 560,401.77
  4. Step 4: Simplify right side
    990,097.86x = 765,673,419,027.88
  5. Step 5: Solve for x
    x = 765,673,419,027.88/990,097.86
  6. Step 6: Final answer
    x = 773,331.05

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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.