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Finding the Fourth Proportional to 863,797.60, 1,296,279.60 and 484,717.60

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Solution

The fourth proportional to 863,797.60, 1,296,279.60 and 484,717.60 is: 727,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,797.60 : 1,296,279.60 = 484,717.60 : x
  2. Step 2: Convert to fraction form
    863,797.60/1,296,279.60 = 484,717.60/x
  3. Step 3: Cross multiply
    863,797.60x = 1,296,279.60 × 484,717.60
  4. Step 4: Simplify right side
    863,797.60x = 628,329,536,640.96
  5. Step 5: Solve for x
    x = 628,329,536,640.96/863,797.60
  6. Step 6: Final answer
    x = 727,403.66

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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.