Finding the Fourth Proportional to 887,129.70, 1,330,694.55 and 414,737.70
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Solution
The fourth proportional to 887,129.70, 1,330,694.55 and 414,737.70 is: 622,106.55
Step by Step Solution
- Step 1: Write the proportion equation
887,129.70 : 1,330,694.55 = 414,737.70 : x - Step 2: Convert to fraction form
887,129.70/1,330,694.55 = 414,737.70/x - Step 3: Cross multiply
887,129.70x = 1,330,694.55 × 414,737.70 - Step 4: Simplify right side
887,129.70x = 551,889,197,069.54 - Step 5: Solve for x
x = 551,889,197,069.54/887,129.70 - Step 6: Final answer
x = 622,106.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.