Finding the Fourth Proportional to 987,929.44, 1,363,344.02 and 535,220.44
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Solution
The fourth proportional to 987,929.44, 1,363,344.02 and 535,220.44 is: 738,604.96
Step by Step Solution
- Step 1: Write the proportion equation
987,929.44 : 1,363,344.02 = 535,220.44 : x - Step 2: Convert to fraction form
987,929.44/1,363,344.02 = 535,220.44/x - Step 3: Cross multiply
987,929.44x = 1,363,344.02 × 535,220.44 - Step 4: Simplify right side
987,929.44x = 729,689,583,579.67 - Step 5: Solve for x
x = 729,689,583,579.67/987,929.44 - Step 6: Final answer
x = 738,604.96
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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.