Finding the Fourth Proportional to 1,029,586.08, 1,420,827.84 and 576,880.32
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Solution
The fourth proportional to 1,029,586.08, 1,420,827.84 and 576,880.32 is: 796,094.31
Step by Step Solution
- Step 1: Write the proportion equation
1,029,586.08 : 1,420,827.84 = 576,880.32 : x - Step 2: Convert to fraction form
1,029,586.08/1,420,827.84 = 576,880.32/x - Step 3: Cross multiply
1,029,586.08x = 1,420,827.84 × 576,880.32 - Step 4: Simplify right side
1,029,586.08x = 819,647,619,004.11 - Step 5: Solve for x
x = 819,647,619,004.11/1,029,586.08 - Step 6: Final answer
x = 796,094.31
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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.