Finding the Fourth Proportional to 668,717.27, 922,829.73 and 382,243.51
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Solution
The fourth proportional to 668,717.27, 922,829.73 and 382,243.51 is: 527,495.99
Step by Step Solution
- Step 1: Write the proportion equation
668,717.27 : 922,829.73 = 382,243.51 : x - Step 2: Convert to fraction form
668,717.27/922,829.73 = 382,243.51/x - Step 3: Cross multiply
668,717.27x = 922,829.73 × 382,243.51 - Step 4: Simplify right side
668,717.27x = 352,745,675,127.55 - Step 5: Solve for x
x = 352,745,675,127.55/668,717.27 - Step 6: Final answer
x = 527,495.99
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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.