Finding the Fourth Proportional to 875,634.43, 1,207,916.03 and 712,473.12
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Solution
The fourth proportional to 875,634.43, 1,207,916.03 and 712,473.12 is: 982,839.04
Step by Step Solution
- Step 1: Write the proportion equation
875,634.43 : 1,207,916.03 = 712,473.12 : x - Step 2: Convert to fraction form
875,634.43/1,207,916.03 = 712,473.12/x - Step 3: Cross multiply
875,634.43x = 1,207,916.03 × 712,473.12 - Step 4: Simplify right side
875,634.43x = 860,607,702,592.11 - Step 5: Solve for x
x = 860,607,702,592.11/875,634.43 - Step 6: Final answer
x = 982,839.04
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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.