Finding the Fourth Proportional to 696,902.79, 961,609.26 and 410,479.92
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Solution
The fourth proportional to 696,902.79, 961,609.26 and 410,479.92 is: 566,393.62
Step by Step Solution
- Step 1: Write the proportion equation
696,902.79 : 961,609.26 = 410,479.92 : x - Step 2: Convert to fraction form
696,902.79/961,609.26 = 410,479.92/x - Step 3: Cross multiply
696,902.79x = 961,609.26 × 410,479.92 - Step 4: Simplify right side
696,902.79x = 394,721,292,116.06 - Step 5: Solve for x
x = 394,721,292,116.06/696,902.79 - Step 6: Final answer
x = 566,393.62
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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.