Finding the Fourth Proportional to 638,950.92, 881,722.58 and 366,827.28
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Solution
The fourth proportional to 638,950.92, 881,722.58 and 366,827.28 is: 506,204.60
Step by Step Solution
- Step 1: Write the proportion equation
638,950.92 : 881,722.58 = 366,827.28 : x - Step 2: Convert to fraction form
638,950.92/881,722.58 = 366,827.28/x - Step 3: Cross multiply
638,950.92x = 881,722.58 × 366,827.28 - Step 4: Simplify right side
638,950.92x = 323,439,895,735.98 - Step 5: Solve for x
x = 323,439,895,735.98/638,950.92 - Step 6: Final answer
x = 506,204.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.