Home / 851,815.85-1,277,708.58-253,181.70

Finding the Fourth Proportional to 851,815.85, 1,277,708.58 and 253,181.70

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Solution

The fourth proportional to 851,815.85, 1,277,708.58 and 253,181.70 is: 379,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,815.85 : 1,277,708.58 = 253,181.70 : x
  2. Step 2: Convert to fraction form
    851,815.85/1,277,708.58 = 253,181.70/x
  3. Step 3: Cross multiply
    851,815.85x = 1,277,708.58 × 253,181.70
  4. Step 4: Simplify right side
    851,815.85x = 323,492,430,388.99
  5. Step 5: Solve for x
    x = 323,492,430,388.99/851,815.85
  6. Step 6: Final answer
    x = 379,768.04

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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.