Finding the Fourth Proportional to 850,307.74, 1,173,425.88 and 463,124.68
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Solution
The fourth proportional to 850,307.74, 1,173,425.88 and 463,124.68 is: 639,112.70
Step by Step Solution
- Step 1: Write the proportion equation
850,307.74 : 1,173,425.88 = 463,124.68 : x - Step 2: Convert to fraction form
850,307.74/1,173,425.88 = 463,124.68/x - Step 3: Cross multiply
850,307.74x = 1,173,425.88 × 463,124.68 - Step 4: Simplify right side
850,307.74x = 543,442,479,075.37 - Step 5: Solve for x
x = 543,442,479,075.37/850,307.74 - Step 6: Final answer
x = 639,112.70
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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.