Finding the Fourth Proportional to 881,113.68, 1,215,861.30 and 488,657.88
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Solution
The fourth proportional to 881,113.68, 1,215,861.30 and 488,657.88 is: 674,305.96
Step by Step Solution
- Step 1: Write the proportion equation
881,113.68 : 1,215,861.30 = 488,657.88 : x - Step 2: Convert to fraction form
881,113.68/1,215,861.30 = 488,657.88/x - Step 3: Cross multiply
881,113.68x = 1,215,861.30 × 488,657.88 - Step 4: Simplify right side
881,113.68x = 594,140,205,232.04 - Step 5: Solve for x
x = 594,140,205,232.04/881,113.68 - Step 6: Final answer
x = 674,305.96
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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.