Home / 908,448.55-1,362,883.66-309,414.87

Finding the Fourth Proportional to 908,448.55, 1,362,883.66 and 309,414.87

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Solution

The fourth proportional to 908,448.55, 1,362,883.66 and 309,414.87 is: 464,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,448.55 : 1,362,883.66 = 309,414.87 : x
  2. Step 2: Convert to fraction form
    908,448.55/1,362,883.66 = 309,414.87/x
  3. Step 3: Cross multiply
    908,448.55x = 1,362,883.66 × 309,414.87
  4. Step 4: Simplify right side
    908,448.55x = 421,696,469,710.49
  5. Step 5: Solve for x
    x = 421,696,469,710.49/908,448.55
  6. Step 6: Final answer
    x = 464,194.12

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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.