Finding the Fourth Proportional to 713,956.49, 985,254.12 and 387,268.68
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Solution
The fourth proportional to 713,956.49, 985,254.12 and 387,268.68 is: 534,427.62
Step by Step Solution
- Step 1: Write the proportion equation
713,956.49 : 985,254.12 = 387,268.68 : x - Step 2: Convert to fraction form
713,956.49/985,254.12 = 387,268.68/x - Step 3: Cross multiply
713,956.49x = 985,254.12 × 387,268.68 - Step 4: Simplify right side
713,956.49x = 381,558,067,663.92 - Step 5: Solve for x
x = 381,558,067,663.92/713,956.49 - Step 6: Final answer
x = 534,427.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.