Finding the Fourth Proportional to 794,771.58, 1,096,813.56 and 455,305.44
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Solution
The fourth proportional to 794,771.58, 1,096,813.56 and 455,305.44 is: 628,337.99
Step by Step Solution
- Step 1: Write the proportion equation
794,771.58 : 1,096,813.56 = 455,305.44 : x - Step 2: Convert to fraction form
794,771.58/1,096,813.56 = 455,305.44/x - Step 3: Cross multiply
794,771.58x = 1,096,813.56 × 455,305.44 - Step 4: Simplify right side
794,771.58x = 499,385,180,533.77 - Step 5: Solve for x
x = 499,385,180,533.77/794,771.58 - Step 6: Final answer
x = 628,337.99
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1.5x scale
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.