Home / 775,819.09-1,070,635.61-431,669.50

Finding the Fourth Proportional to 775,819.09, 1,070,635.61 and 431,669.50

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Solution

The fourth proportional to 775,819.09, 1,070,635.61 and 431,669.50 is: 595,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,819.09 : 1,070,635.61 = 431,669.50 : x
  2. Step 2: Convert to fraction form
    775,819.09/1,070,635.61 = 431,669.50/x
  3. Step 3: Cross multiply
    775,819.09x = 1,070,635.61 × 431,669.50
  4. Step 4: Simplify right side
    775,819.09x = 462,160,738,450.90
  5. Step 5: Solve for x
    x = 462,160,738,450.90/775,819.09
  6. Step 6: Final answer
    x = 595,706.84

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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.