Finding the Fourth Proportional to 635,995.88, 877,656.02 and 349,515.62
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Solution
The fourth proportional to 635,995.88, 877,656.02 and 349,515.62 is: 482,321.50
Step by Step Solution
- Step 1: Write the proportion equation
635,995.88 : 877,656.02 = 349,515.62 : x - Step 2: Convert to fraction form
635,995.88/877,656.02 = 349,515.62/x - Step 3: Cross multiply
635,995.88x = 877,656.02 × 349,515.62 - Step 4: Simplify right side
635,995.88x = 306,754,487,977.03 - Step 5: Solve for x
x = 306,754,487,977.03/635,995.88 - Step 6: Final answer
x = 482,321.50
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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.