Finding the Fourth Proportional to 881,256.60, 1,324,703.70 and 818,854.20
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Solution
The fourth proportional to 881,256.60, 1,324,703.70 and 818,854.20 is: 1,230,900.50
Step by Step Solution
- Step 1: Write the proportion equation
881,256.60 : 1,324,703.70 = 818,854.20 : x - Step 2: Convert to fraction form
881,256.60/1,324,703.70 = 818,854.20/x - Step 3: Cross multiply
881,256.60x = 1,324,703.70 × 818,854.20 - Step 4: Simplify right side
881,256.60x = 1,084,739,188,500.54 - Step 5: Solve for x
x = 1,084,739,188,500.54/881,256.60 - Step 6: Final answer
x = 1,230,900.50
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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.