Finding the Fourth Proportional to 802,237.08, 1,203,044.58 and 428,055.96
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Solution
The fourth proportional to 802,237.08, 1,203,044.58 and 428,055.96 is: 641,917.98
Step by Step Solution
- Step 1: Write the proportion equation
802,237.08 : 1,203,044.58 = 428,055.96 : x - Step 2: Convert to fraction form
802,237.08/1,203,044.58 = 428,055.96/x - Step 3: Cross multiply
802,237.08x = 1,203,044.58 × 428,055.96 - Step 4: Simplify right side
802,237.08x = 514,970,402,614.70 - Step 5: Solve for x
x = 514,970,402,614.70/802,237.08 - Step 6: Final answer
x = 641,917.98
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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.