Finding the Fourth Proportional to 910,880.40, 1,365,445.80 and 708,364.20
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Solution
The fourth proportional to 910,880.40, 1,365,445.80 and 708,364.20 is: 1,061,865.99
Step by Step Solution
- Step 1: Write the proportion equation
910,880.40 : 1,365,445.80 = 708,364.20 : x - Step 2: Convert to fraction form
910,880.40/1,365,445.80 = 708,364.20/x - Step 3: Cross multiply
910,880.40x = 1,365,445.80 × 708,364.20 - Step 4: Simplify right side
910,880.40x = 967,232,921,760.36 - Step 5: Solve for x
x = 967,232,921,760.36/910,880.40 - Step 6: Final answer
x = 1,061,865.99
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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.