Finding the Fourth Proportional to 991,979.34, 1,369,058.12 and 584,119.14
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Solution
The fourth proportional to 991,979.34, 1,369,058.12 and 584,119.14 is: 806,158.98
Step by Step Solution
- Step 1: Write the proportion equation
991,979.34 : 1,369,058.12 = 584,119.14 : x - Step 2: Convert to fraction form
991,979.34/1,369,058.12 = 584,119.14/x - Step 3: Cross multiply
991,979.34x = 1,369,058.12 × 584,119.14 - Step 4: Simplify right side
991,979.34x = 799,693,051,664.42 - Step 5: Solve for x
x = 799,693,051,664.42/991,979.34 - Step 6: Final answer
x = 806,158.98
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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.