Finding the Fourth Proportional to 576,576.99, 864,868.55 and 378,153.90
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Solution
The fourth proportional to 576,576.99, 864,868.55 and 378,153.90 is: 567,232.86
Step by Step Solution
- Step 1: Write the proportion equation
576,576.99 : 864,868.55 = 378,153.90 : x - Step 2: Convert to fraction form
576,576.99/864,868.55 = 378,153.90/x - Step 3: Cross multiply
576,576.99x = 864,868.55 × 378,153.90 - Step 4: Simplify right side
576,576.99x = 327,053,413,279.08 - Step 5: Solve for x
x = 327,053,413,279.08/576,576.99 - Step 6: Final answer
x = 567,232.86
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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.