Finding the Fourth Proportional to 611,609.60, 844,031.69 and 335,979.08
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Solution
The fourth proportional to 611,609.60, 844,031.69 and 335,979.08 is: 463,656.87
Step by Step Solution
- Step 1: Write the proportion equation
611,609.60 : 844,031.69 = 335,979.08 : x - Step 2: Convert to fraction form
611,609.60/844,031.69 = 335,979.08/x - Step 3: Cross multiply
611,609.60x = 844,031.69 × 335,979.08 - Step 4: Simplify right side
611,609.60x = 283,576,993,647.07 - Step 5: Solve for x
x = 283,576,993,647.07/611,609.60 - Step 6: Final answer
x = 463,656.87
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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.