Home / 870,913.77-1,306,375.26-271,824.75

Finding the Fourth Proportional to 870,913.77, 1,306,375.26 and 271,824.75

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Solution

The fourth proportional to 870,913.77, 1,306,375.26 and 271,824.75 is: 407,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,913.77 : 1,306,375.26 = 271,824.75 : x
  2. Step 2: Convert to fraction form
    870,913.77/1,306,375.26 = 271,824.75/x
  3. Step 3: Cross multiply
    870,913.77x = 1,306,375.26 × 271,824.75
  4. Step 4: Simplify right side
    870,913.77x = 355,105,128,455.69
  5. Step 5: Solve for x
    x = 355,105,128,455.69/870,913.77
  6. Step 6: Final answer
    x = 407,738.56

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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.