Finding the Fourth Proportional to 731,663.18, 1,102,978.70 and 682,893.08
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Solution
The fourth proportional to 731,663.18, 1,102,978.70 and 682,893.08 is: 1,029,458.01
Step by Step Solution
- Step 1: Write the proportion equation
731,663.18 : 1,102,978.70 = 682,893.08 : x - Step 2: Convert to fraction form
731,663.18/1,102,978.70 = 682,893.08/x - Step 3: Cross multiply
731,663.18x = 1,102,978.70 × 682,893.08 - Step 4: Simplify right side
731,663.18x = 753,216,521,617.40 - Step 5: Solve for x
x = 753,216,521,617.40/731,663.18 - Step 6: Final answer
x = 1,029,458.01
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.