Finding the Fourth Proportional to 420,297.68, 580,224.84 and 324,589.52
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Solution
The fourth proportional to 420,297.68, 580,224.84 and 324,589.52 is: 448,098.84
Step by Step Solution
- Step 1: Write the proportion equation
420,297.68 : 580,224.84 = 324,589.52 : x - Step 2: Convert to fraction form
420,297.68/580,224.84 = 324,589.52/x - Step 3: Cross multiply
420,297.68x = 580,224.84 × 324,589.52 - Step 4: Simplify right side
420,297.68x = 188,334,902,307.68 - Step 5: Solve for x
x = 188,334,902,307.68/420,297.68 - Step 6: Final answer
x = 448,098.84
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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.