Finding the Fourth Proportional to 413,593.70, 579,818.50 and 413,593.70
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Solution
The fourth proportional to 413,593.70, 579,818.50 and 413,593.70 is: 579,818.50
Step by Step Solution
- Step 1: Write the proportion equation
413,593.70 : 579,818.50 = 413,593.70 : x - Step 2: Convert to fraction form
413,593.70/579,818.50 = 413,593.70/x - Step 3: Cross multiply
413,593.70x = 579,818.50 × 413,593.70 - Step 4: Simplify right side
413,593.70x = 239,809,278,743.45 - Step 5: Solve for x
x = 239,809,278,743.45/413,593.70 - Step 6: Final answer
x = 579,818.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.