Finding the Fourth Proportional to 635,966.20, 877,647.24 and 349,491.08
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Solution
The fourth proportional to 635,966.20, 877,647.24 and 349,491.08 is: 482,305.32
Step by Step Solution
- Step 1: Write the proportion equation
635,966.20 : 877,647.24 = 349,491.08 : x - Step 2: Convert to fraction form
635,966.20/877,647.24 = 349,491.08/x - Step 3: Cross multiply
635,966.20x = 877,647.24 × 349,491.08 - Step 4: Simplify right side
635,966.20x = 306,729,881,766.62 - Step 5: Solve for x
x = 306,729,881,766.62/635,966.20 - Step 6: Final answer
x = 482,305.32
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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.