Finding the Fourth Proportional to 526,582.90, 726,687.84 and 322,634.26
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Solution
The fourth proportional to 526,582.90, 726,687.84 and 322,634.26 is: 445,237.39
Step by Step Solution
- Step 1: Write the proportion equation
526,582.90 : 726,687.84 = 322,634.26 : x - Step 2: Convert to fraction form
526,582.90/726,687.84 = 322,634.26/x - Step 3: Cross multiply
526,582.90x = 726,687.84 × 322,634.26 - Step 4: Simplify right side
526,582.90x = 234,454,393,509.40 - Step 5: Solve for x
x = 234,454,393,509.40/526,582.90 - Step 6: Final answer
x = 445,237.39
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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.