Finding the Fourth Proportional to 696,749.24, 961,286.94 and 406,295.19
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Solution
The fourth proportional to 696,749.24, 961,286.94 and 406,295.19 is: 560,554.98
Step by Step Solution
- Step 1: Write the proportion equation
696,749.24 : 961,286.94 = 406,295.19 : x - Step 2: Convert to fraction form
696,749.24/961,286.94 = 406,295.19/x - Step 3: Cross multiply
696,749.24x = 961,286.94 × 406,295.19 - Step 4: Simplify right side
696,749.24x = 390,566,259,931.82 - Step 5: Solve for x
x = 390,566,259,931.82/696,749.24 - Step 6: Final answer
x = 560,554.98
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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.