Home / 990,859.72-1,367,364.01-577,370.92

Finding the Fourth Proportional to 990,859.72, 1,367,364.01 and 577,370.92

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Solution

The fourth proportional to 990,859.72, 1,367,364.01 and 577,370.92 is: 796,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,859.72 : 1,367,364.01 = 577,370.92 : x
  2. Step 2: Convert to fraction form
    990,859.72/1,367,364.01 = 577,370.92/x
  3. Step 3: Cross multiply
    990,859.72x = 1,367,364.01 × 577,370.92
  4. Step 4: Simplify right side
    990,859.72x = 789,476,211,566.75
  5. Step 5: Solve for x
    x = 789,476,211,566.75/990,859.72
  6. Step 6: Final answer
    x = 796,758.81

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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.