Finding the Fourth Proportional to 791,468.99, 1,092,224.45 and 428,901.75
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Solution
The fourth proportional to 791,468.99, 1,092,224.45 and 428,901.75 is: 591,882.92
Step by Step Solution
- Step 1: Write the proportion equation
791,468.99 : 1,092,224.45 = 428,901.75 : x - Step 2: Convert to fraction form
791,468.99/1,092,224.45 = 428,901.75/x - Step 3: Cross multiply
791,468.99x = 1,092,224.45 × 428,901.75 - Step 4: Simplify right side
791,468.99x = 468,456,979,070.04 - Step 5: Solve for x
x = 468,456,979,070.04/791,468.99 - Step 6: Final answer
x = 591,882.92
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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.