Finding the Fourth Proportional to 586,216.20, 879,324.30 and 349,825.80
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Solution
The fourth proportional to 586,216.20, 879,324.30 and 349,825.80 is: 524,738.70
Step by Step Solution
- Step 1: Write the proportion equation
586,216.20 : 879,324.30 = 349,825.80 : x - Step 2: Convert to fraction form
586,216.20/879,324.30 = 349,825.80/x - Step 3: Cross multiply
586,216.20x = 879,324.30 × 349,825.80 - Step 4: Simplify right side
586,216.20x = 307,610,326,706.94 - Step 5: Solve for x
x = 307,610,326,706.94/586,216.20 - Step 6: Final answer
x = 524,738.70
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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.