Home / 889,231.28-1,334,059.08-290,193.55

Finding the Fourth Proportional to 889,231.28, 1,334,059.08 and 290,193.55

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Solution

The fourth proportional to 889,231.28, 1,334,059.08 and 290,193.55 is: 435,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,231.28 : 1,334,059.08 = 290,193.55 : x
  2. Step 2: Convert to fraction form
    889,231.28/1,334,059.08 = 290,193.55/x
  3. Step 3: Cross multiply
    889,231.28x = 1,334,059.08 × 290,193.55
  4. Step 4: Simplify right side
    889,231.28x = 387,135,336,999.79
  5. Step 5: Solve for x
    x = 387,135,336,999.79/889,231.28
  6. Step 6: Final answer
    x = 435,359.56

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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.