Finding the Fourth Proportional to 702,902.28, 970,076.75 and 506,830.05
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Solution
The fourth proportional to 702,902.28, 970,076.75 and 506,830.05 is: 699,477.10
Step by Step Solution
- Step 1: Write the proportion equation
702,902.28 : 970,076.75 = 506,830.05 : x - Step 2: Convert to fraction form
702,902.28/970,076.75 = 506,830.05/x - Step 3: Cross multiply
702,902.28x = 970,076.75 × 506,830.05 - Step 4: Simplify right side
702,902.28x = 491,664,045,172.19 - Step 5: Solve for x
x = 491,664,045,172.19/702,902.28 - Step 6: Final answer
x = 699,477.10
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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.