Finding the Fourth Proportional to 777,462.21, 1,165,777.76 and 244,840.21
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Solution
The fourth proportional to 777,462.21, 1,165,777.76 and 244,840.21 is: 367,129.45
Step by Step Solution
- Step 1: Write the proportion equation
777,462.21 : 1,165,777.76 = 244,840.21 : x - Step 2: Convert to fraction form
777,462.21/1,165,777.76 = 244,840.21/x - Step 3: Cross multiply
777,462.21x = 1,165,777.76 × 244,840.21 - Step 4: Simplify right side
777,462.21x = 285,429,270,347.53 - Step 5: Solve for x
x = 285,429,270,347.53/777,462.21 - Step 6: Final answer
x = 367,129.45
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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.