Home / 864,378.87-1,296,771.98-295,766.16

Finding the Fourth Proportional to 864,378.87, 1,296,771.98 and 295,766.16

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Solution

The fourth proportional to 864,378.87, 1,296,771.98 and 295,766.16 is: 443,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,378.87 : 1,296,771.98 = 295,766.16 : x
  2. Step 2: Convert to fraction form
    864,378.87/1,296,771.98 = 295,766.16/x
  3. Step 3: Cross multiply
    864,378.87x = 1,296,771.98 × 295,766.16
  4. Step 4: Simplify right side
    864,378.87x = 383,541,268,920.20
  5. Step 5: Solve for x
    x = 383,541,268,920.20/864,378.87
  6. Step 6: Final answer
    x = 443,718.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.