Finding the Fourth Proportional to 635,814.81, 877,423.73 and 349,334.19
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Solution
The fourth proportional to 635,814.81, 877,423.73 and 349,334.19 is: 482,080.79
Step by Step Solution
- Step 1: Write the proportion equation
635,814.81 : 877,423.73 = 349,334.19 : x - Step 2: Convert to fraction form
635,814.81/877,423.73 = 349,334.19/x - Step 3: Cross multiply
635,814.81x = 877,423.73 × 349,334.19 - Step 4: Simplify right side
635,814.81x = 306,514,106,259.66 - Step 5: Solve for x
x = 306,514,106,259.66/635,814.81 - Step 6: Final answer
x = 482,080.79
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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.