Home / 859,601.22-1,289,411.55-260,557.62

Finding the Fourth Proportional to 859,601.22, 1,289,411.55 and 260,557.62

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Solution

The fourth proportional to 859,601.22, 1,289,411.55 and 260,557.62 is: 390,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,601.22 : 1,289,411.55 = 260,557.62 : x
  2. Step 2: Convert to fraction form
    859,601.22/1,289,411.55 = 260,557.62/x
  3. Step 3: Cross multiply
    859,601.22x = 1,289,411.55 × 260,557.62
  4. Step 4: Simplify right side
    859,601.22x = 335,966,004,668.51
  5. Step 5: Solve for x
    x = 335,966,004,668.51/859,601.22
  6. Step 6: Final answer
    x = 390,839.38

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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.