Finding the Fourth Proportional to 866,270.69, 1,299,591.47 and 259,106.63
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Solution
The fourth proportional to 866,270.69, 1,299,591.47 and 259,106.63 is: 388,715.40
Step by Step Solution
- Step 1: Write the proportion equation
866,270.69 : 1,299,591.47 = 259,106.63 : x - Step 2: Convert to fraction form
866,270.69/1,299,591.47 = 259,106.63/x - Step 3: Cross multiply
866,270.69x = 1,299,591.47 × 259,106.63 - Step 4: Simplify right side
866,270.69x = 336,732,758,374.96 - Step 5: Solve for x
x = 336,732,758,374.96/866,270.69 - Step 6: Final answer
x = 388,715.40
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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.