Finding the Fourth Proportional to 807,872.29, 1,211,676.99 and 381,407.29
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Solution
The fourth proportional to 807,872.29, 1,211,676.99 and 381,407.29 is: 572,048.88
Step by Step Solution
- Step 1: Write the proportion equation
807,872.29 : 1,211,676.99 = 381,407.29 : x - Step 2: Convert to fraction form
807,872.29/1,211,676.99 = 381,407.29/x - Step 3: Cross multiply
807,872.29x = 1,211,676.99 × 381,407.29 - Step 4: Simplify right side
807,872.29x = 462,142,437,111.26 - Step 5: Solve for x
x = 462,142,437,111.26/807,872.29 - Step 6: Final answer
x = 572,048.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.