Home / 777,961.60-1,166,942.40-304,489.60

Finding the Fourth Proportional to 777,961.60, 1,166,942.40 and 304,489.60

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Solution

The fourth proportional to 777,961.60, 1,166,942.40 and 304,489.60 is: 456,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,961.60 : 1,166,942.40 = 304,489.60 : x
  2. Step 2: Convert to fraction form
    777,961.60/1,166,942.40 = 304,489.60/x
  3. Step 3: Cross multiply
    777,961.60x = 1,166,942.40 × 304,489.60
  4. Step 4: Simplify right side
    777,961.60x = 355,321,824,599.04
  5. Step 5: Solve for x
    x = 355,321,824,599.04/777,961.60
  6. Step 6: Final answer
    x = 456,734.40

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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.