Home / 908,440.96-1,362,872.26-309,407.30

Finding the Fourth Proportional to 908,440.96, 1,362,872.26 and 309,407.30

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Solution

The fourth proportional to 908,440.96, 1,362,872.26 and 309,407.30 is: 464,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,440.96 : 1,362,872.26 = 309,407.30 : x
  2. Step 2: Convert to fraction form
    908,440.96/1,362,872.26 = 309,407.30/x
  3. Step 3: Cross multiply
    908,440.96x = 1,362,872.26 × 309,407.30
  4. Step 4: Simplify right side
    908,440.96x = 421,682,626,211.50
  5. Step 5: Solve for x
    x = 421,682,626,211.50/908,440.96
  6. Step 6: Final answer
    x = 464,182.75

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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.