Home / 847,059.37-1,270,319.61-278,309.37

Finding the Fourth Proportional to 847,059.37, 1,270,319.61 and 278,309.37

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Solution

The fourth proportional to 847,059.37, 1,270,319.61 and 278,309.37 is: 417,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,059.37 : 1,270,319.61 = 278,309.37 : x
  2. Step 2: Convert to fraction form
    847,059.37/1,270,319.61 = 278,309.37/x
  3. Step 3: Cross multiply
    847,059.37x = 1,270,319.61 × 278,309.37
  4. Step 4: Simplify right side
    847,059.37x = 353,541,850,357.75
  5. Step 5: Solve for x
    x = 353,541,850,357.75/847,059.37
  6. Step 6: Final answer
    x = 417,375.53

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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.