Finding the Fourth Proportional to 905,022.90, 1,349,540.10 and 896,916.42
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Solution
The fourth proportional to 905,022.90, 1,349,540.10 and 896,916.42 is: 1,337,451.99
Step by Step Solution
- Step 1: Write the proportion equation
905,022.90 : 1,349,540.10 = 896,916.42 : x - Step 2: Convert to fraction form
905,022.90/1,349,540.10 = 896,916.42/x - Step 3: Cross multiply
905,022.90x = 1,349,540.10 × 896,916.42 - Step 4: Simplify right side
905,022.90x = 1,210,424,675,138.44 - Step 5: Solve for x
x = 1,210,424,675,138.44/905,022.90 - Step 6: Final answer
x = 1,337,451.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.