Home / 859,608.22-1,289,422.05-260,564.62

Finding the Fourth Proportional to 859,608.22, 1,289,422.05 and 260,564.62

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Solution

The fourth proportional to 859,608.22, 1,289,422.05 and 260,564.62 is: 390,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,608.22 : 1,289,422.05 = 260,564.62 : x
  2. Step 2: Convert to fraction form
    859,608.22/1,289,422.05 = 260,564.62/x
  3. Step 3: Cross multiply
    859,608.22x = 1,289,422.05 × 260,564.62
  4. Step 4: Simplify right side
    859,608.22x = 335,977,766,477.87
  5. Step 5: Solve for x
    x = 335,977,766,477.87/859,608.22
  6. Step 6: Final answer
    x = 390,849.88

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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.