Home / 990,078.24-1,366,311.64-537,369.24

Finding the Fourth Proportional to 990,078.24, 1,366,311.64 and 537,369.24

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Solution

The fourth proportional to 990,078.24, 1,366,311.64 and 537,369.24 is: 741,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,078.24 : 1,366,311.64 = 537,369.24 : x
  2. Step 2: Convert to fraction form
    990,078.24/1,366,311.64 = 537,369.24/x
  3. Step 3: Cross multiply
    990,078.24x = 1,366,311.64 × 537,369.24
  4. Step 4: Simplify right side
    990,078.24x = 734,213,847,589.95
  5. Step 5: Solve for x
    x = 734,213,847,589.95/990,078.24
  6. Step 6: Final answer
    x = 741,571.54

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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.