Finding the Fourth Proportional to 584,576.20, 876,864.30 and 385,121.80
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Solution
The fourth proportional to 584,576.20, 876,864.30 and 385,121.80 is: 577,682.70
Step by Step Solution
- Step 1: Write the proportion equation
584,576.20 : 876,864.30 = 385,121.80 : x - Step 2: Convert to fraction form
584,576.20/876,864.30 = 385,121.80/x - Step 3: Cross multiply
584,576.20x = 876,864.30 × 385,121.80 - Step 4: Simplify right side
584,576.20x = 337,699,557,571.74 - Step 5: Solve for x
x = 337,699,557,571.74/584,576.20 - Step 6: Final answer
x = 577,682.70
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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.