Finding the Fourth Proportional to 901,324.75, 1,243,828.17 and 498,916.75
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Solution
The fourth proportional to 901,324.75, 1,243,828.17 and 498,916.75 is: 688,505.12
Step by Step Solution
- Step 1: Write the proportion equation
901,324.75 : 1,243,828.17 = 498,916.75 : x - Step 2: Convert to fraction form
901,324.75/1,243,828.17 = 498,916.75/x - Step 3: Cross multiply
901,324.75x = 1,243,828.17 × 498,916.75 - Step 4: Simplify right side
901,324.75x = 620,566,708,134.85 - Step 5: Solve for x
x = 620,566,708,134.85/901,324.75 - Step 6: Final answer
x = 688,505.12
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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.