Finding the Fourth Proportional to 788,979.69, 1,088,526.03 and 449,207.37
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Solution
The fourth proportional to 788,979.69, 1,088,526.03 and 449,207.37 is: 619,754.75
Step by Step Solution
- Step 1: Write the proportion equation
788,979.69 : 1,088,526.03 = 449,207.37 : x - Step 2: Convert to fraction form
788,979.69/1,088,526.03 = 449,207.37/x - Step 3: Cross multiply
788,979.69x = 1,088,526.03 × 449,207.37 - Step 4: Simplify right side
788,979.69x = 488,973,907,424.17 - Step 5: Solve for x
x = 488,973,907,424.17/788,979.69 - Step 6: Final answer
x = 619,754.75
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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.