Home / 451,758.90-623,446.83-270,435.75

Finding the Fourth Proportional to 451,758.90, 623,446.83 and 270,435.75

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Solution

The fourth proportional to 451,758.90, 623,446.83 and 270,435.75 is: 373,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,758.90 : 623,446.83 = 270,435.75 : x
  2. Step 2: Convert to fraction form
    451,758.90/623,446.83 = 270,435.75/x
  3. Step 3: Cross multiply
    451,758.90x = 623,446.83 × 270,435.75
  4. Step 4: Simplify right side
    451,758.90x = 168,602,311,056.17
  5. Step 5: Solve for x
    x = 168,602,311,056.17/451,758.90
  6. Step 6: Final answer
    x = 373,213.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.