Finding the Fourth Proportional to 731,236.60, 1,096,411.92 and 478,211.68
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Solution
The fourth proportional to 731,236.60, 1,096,411.92 and 478,211.68 is: 717,027.82
Step by Step Solution
- Step 1: Write the proportion equation
731,236.60 : 1,096,411.92 = 478,211.68 : x - Step 2: Convert to fraction form
731,236.60/1,096,411.92 = 478,211.68/x - Step 3: Cross multiply
731,236.60x = 1,096,411.92 × 478,211.68 - Step 4: Simplify right side
731,236.60x = 524,316,986,235.23 - Step 5: Solve for x
x = 524,316,986,235.23/731,236.60 - Step 6: Final answer
x = 717,027.82
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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.