Finding the Fourth Proportional to 892,122.87, 1,231,130.80 and 484,224.79
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Solution
The fourth proportional to 892,122.87, 1,231,130.80 and 484,224.79 is: 668,230.89
Step by Step Solution
- Step 1: Write the proportion equation
892,122.87 : 1,231,130.80 = 484,224.79 : x - Step 2: Convert to fraction form
892,122.87/1,231,130.80 = 484,224.79/x - Step 3: Cross multiply
892,122.87x = 1,231,130.80 × 484,224.79 - Step 4: Simplify right side
892,122.87x = 596,144,053,092.53 - Step 5: Solve for x
x = 596,144,053,092.53/892,122.87 - Step 6: Final answer
x = 668,230.89
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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.