Home / 859,599.34-1,289,632.32-260,580.04

Finding the Fourth Proportional to 859,599.34, 1,289,632.32 and 260,580.04

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Solution

The fourth proportional to 859,599.34, 1,289,632.32 and 260,580.04 is: 390,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,599.34 : 1,289,632.32 = 260,580.04 : x
  2. Step 2: Convert to fraction form
    859,599.34/1,289,632.32 = 260,580.04/x
  3. Step 3: Cross multiply
    859,599.34x = 1,289,632.32 × 260,580.04
  4. Step 4: Simplify right side
    859,599.34x = 336,052,441,530.89
  5. Step 5: Solve for x
    x = 336,052,441,530.89/859,599.34
  6. Step 6: Final answer
    x = 390,940.79

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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.