Finding the Fourth Proportional to 886,916.60, 1,330,374.90 and 818,487.80
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Solution
The fourth proportional to 886,916.60, 1,330,374.90 and 818,487.80 is: 1,227,731.70
Step by Step Solution
- Step 1: Write the proportion equation
886,916.60 : 1,330,374.90 = 818,487.80 : x - Step 2: Convert to fraction form
886,916.60/1,330,374.90 = 818,487.80/x - Step 3: Cross multiply
886,916.60x = 1,330,374.90 × 818,487.80 - Step 4: Simplify right side
886,916.60x = 1,088,895,625,076.22 - Step 5: Solve for x
x = 1,088,895,625,076.22/886,916.60 - Step 6: Final answer
x = 1,227,731.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.