Home / 780,059.70-1,170,089.55-189,083.70

Finding the Fourth Proportional to 780,059.70, 1,170,089.55 and 189,083.70

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Solution

The fourth proportional to 780,059.70, 1,170,089.55 and 189,083.70 is: 283,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,059.70 : 1,170,089.55 = 189,083.70 : x
  2. Step 2: Convert to fraction form
    780,059.70/1,170,089.55 = 189,083.70/x
  3. Step 3: Cross multiply
    780,059.70x = 1,170,089.55 × 189,083.70
  4. Step 4: Simplify right side
    780,059.70x = 221,244,861,445.34
  5. Step 5: Solve for x
    x = 221,244,861,445.34/780,059.70
  6. Step 6: Final answer
    x = 283,625.55

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Similar ratio
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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.