Finding the Fourth Proportional to 629,211.70, 868,325.34 and 342,731.08
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Solution
The fourth proportional to 629,211.70, 868,325.34 and 342,731.08 is: 472,976.08
Step by Step Solution
- Step 1: Write the proportion equation
629,211.70 : 868,325.34 = 342,731.08 : x - Step 2: Convert to fraction form
629,211.70/868,325.34 = 342,731.08/x - Step 3: Cross multiply
629,211.70x = 868,325.34 × 342,731.08 - Step 4: Simplify right side
629,211.70x = 297,602,081,569.57 - Step 5: Solve for x
x = 297,602,081,569.57/629,211.70 - Step 6: Final answer
x = 472,976.08
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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.