Home / 912,091.96-1,368,141.18-281,002.60

Finding the Fourth Proportional to 912,091.96, 1,368,141.18 and 281,002.60

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Solution

The fourth proportional to 912,091.96, 1,368,141.18 and 281,002.60 is: 421,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,091.96 : 1,368,141.18 = 281,002.60 : x
  2. Step 2: Convert to fraction form
    912,091.96/1,368,141.18 = 281,002.60/x
  3. Step 3: Cross multiply
    912,091.96x = 1,368,141.18 × 281,002.60
  4. Step 4: Simplify right side
    912,091.96x = 384,451,228,747.07
  5. Step 5: Solve for x
    x = 384,451,228,747.07/912,091.96
  6. Step 6: Final answer
    x = 421,504.90

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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.