Finding the Fourth Proportional to 896,860.38, 1,344,894.79 and 257,018.91
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Solution
The fourth proportional to 896,860.38, 1,344,894.79 and 257,018.91 is: 385,414.94
Step by Step Solution
- Step 1: Write the proportion equation
896,860.38 : 1,344,894.79 = 257,018.91 : x - Step 2: Convert to fraction form
896,860.38/1,344,894.79 = 257,018.91/x - Step 3: Cross multiply
896,860.38x = 1,344,894.79 × 257,018.91 - Step 4: Simplify right side
896,860.38x = 345,663,392,650.59 - Step 5: Solve for x
x = 345,663,392,650.59/896,860.38 - Step 6: Final answer
x = 385,414.94
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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.