Finding the Fourth Proportional to 658,073.26, 908,202.42 and 399,890.62
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Solution
The fourth proportional to 658,073.26, 908,202.42 and 399,890.62 is: 551,886.32
Step by Step Solution
- Step 1: Write the proportion equation
658,073.26 : 908,202.42 = 399,890.62 : x - Step 2: Convert to fraction form
658,073.26/908,202.42 = 399,890.62/x - Step 3: Cross multiply
658,073.26x = 908,202.42 × 399,890.62 - Step 4: Simplify right side
658,073.26x = 363,181,628,819.30 - Step 5: Solve for x
x = 363,181,628,819.30/658,073.26 - Step 6: Final answer
x = 551,886.32
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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.