Finding the Fourth Proportional to 641,307.38, 884,990.53 and 350,917.75
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Solution
The fourth proportional to 641,307.38, 884,990.53 and 350,917.75 is: 484,259.02
Step by Step Solution
- Step 1: Write the proportion equation
641,307.38 : 884,990.53 = 350,917.75 : x - Step 2: Convert to fraction form
641,307.38/884,990.53 = 350,917.75/x - Step 3: Cross multiply
641,307.38x = 884,990.53 × 350,917.75 - Step 4: Simplify right side
641,307.38x = 310,558,888,090.74 - Step 5: Solve for x
x = 310,558,888,090.74/641,307.38 - Step 6: Final answer
x = 484,259.02
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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.