Finding the Fourth Proportional to 819,787.66, 1,229,324.36 and 435,452.41
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Solution
The fourth proportional to 819,787.66, 1,229,324.36 and 435,452.41 is: 652,988.92
Step by Step Solution
- Step 1: Write the proportion equation
819,787.66 : 1,229,324.36 = 435,452.41 : x - Step 2: Convert to fraction form
819,787.66/1,229,324.36 = 435,452.41/x - Step 3: Cross multiply
819,787.66x = 1,229,324.36 × 435,452.41 - Step 4: Simplify right side
819,787.66x = 535,312,255,233.71 - Step 5: Solve for x
x = 535,312,255,233.71/819,787.66 - Step 6: Final answer
x = 652,988.92
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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.