Home / 851,261.53-1,277,268.42-446,357.03

Finding the Fourth Proportional to 851,261.53, 1,277,268.42 and 446,357.03

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Solution

The fourth proportional to 851,261.53, 1,277,268.42 and 446,357.03 is: 669,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,261.53 : 1,277,268.42 = 446,357.03 : x
  2. Step 2: Convert to fraction form
    851,261.53/1,277,268.42 = 446,357.03/x
  3. Step 3: Cross multiply
    851,261.53x = 1,277,268.42 × 446,357.03
  4. Step 4: Simplify right side
    851,261.53x = 570,117,738,463.99
  5. Step 5: Solve for x
    x = 570,117,738,463.99/851,261.53
  6. Step 6: Final answer
    x = 669,732.77

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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.