Finding the Fourth Proportional to 657,653.99, 986,584.17 and 278,575.82
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Solution
The fourth proportional to 657,653.99, 986,584.17 and 278,575.82 is: 417,907.43
Step by Step Solution
- Step 1: Write the proportion equation
657,653.99 : 986,584.17 = 278,575.82 : x - Step 2: Convert to fraction form
657,653.99/986,584.17 = 278,575.82/x - Step 3: Cross multiply
657,653.99x = 986,584.17 × 278,575.82 - Step 4: Simplify right side
657,653.99x = 274,838,489,223.85 - Step 5: Solve for x
x = 274,838,489,223.85/657,653.99 - Step 6: Final answer
x = 417,907.43
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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.