Home / 859,346.37-1,289,085.18-260,357.16

Finding the Fourth Proportional to 859,346.37, 1,289,085.18 and 260,357.16

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Solution

The fourth proportional to 859,346.37, 1,289,085.18 and 260,357.16 is: 390,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,346.37 : 1,289,085.18 = 260,357.16 : x
  2. Step 2: Convert to fraction form
    859,346.37/1,289,085.18 = 260,357.16/x
  3. Step 3: Cross multiply
    859,346.37x = 1,289,085.18 × 260,357.16
  4. Step 4: Simplify right side
    859,346.37x = 335,622,556,462.89
  5. Step 5: Solve for x
    x = 335,622,556,462.89/859,346.37
  6. Step 6: Final answer
    x = 390,555.62

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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.