Finding the Fourth Proportional to 702,021.43, 1,053,119.63 and 228,579.67
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Solution
The fourth proportional to 702,021.43, 1,053,119.63 and 228,579.67 is: 342,897.99
Step by Step Solution
- Step 1: Write the proportion equation
702,021.43 : 1,053,119.63 = 228,579.67 : x - Step 2: Convert to fraction form
702,021.43/1,053,119.63 = 228,579.67/x - Step 3: Cross multiply
702,021.43x = 1,053,119.63 × 228,579.67 - Step 4: Simplify right side
702,021.43x = 240,721,737,495.92 - Step 5: Solve for x
x = 240,721,737,495.92/702,021.43 - Step 6: Final answer
x = 342,897.99
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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.