Finding the Fourth Proportional to 914,281.38, 1,371,512.26 and 315,163.68
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Solution
The fourth proportional to 914,281.38, 1,371,512.26 and 315,163.68 is: 472,776.61
Step by Step Solution
- Step 1: Write the proportion equation
914,281.38 : 1,371,512.26 = 315,163.68 : x - Step 2: Convert to fraction form
914,281.38/1,371,512.26 = 315,163.68/x - Step 3: Cross multiply
914,281.38x = 1,371,512.26 × 315,163.68 - Step 4: Simplify right side
914,281.38x = 432,250,851,026.72 - Step 5: Solve for x
x = 432,250,851,026.72/914,281.38 - Step 6: Final answer
x = 472,776.61
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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.