Finding the Fourth Proportional to 971,556.80, 1,457,335.20 and 908,571.20
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Solution
The fourth proportional to 971,556.80, 1,457,335.20 and 908,571.20 is: 1,362,856.80
Step by Step Solution
- Step 1: Write the proportion equation
971,556.80 : 1,457,335.20 = 908,571.20 : x - Step 2: Convert to fraction form
971,556.80/1,457,335.20 = 908,571.20/x - Step 3: Cross multiply
971,556.80x = 1,457,335.20 × 908,571.20 - Step 4: Simplify right side
971,556.80x = 1,324,092,791,466.24 - Step 5: Solve for x
x = 1,324,092,791,466.24/971,556.80 - Step 6: Final answer
x = 1,362,856.80
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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.