Finding the Fourth Proportional to 972,135.97, 1,458,948.24 and 440,030.68
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Solution
The fourth proportional to 972,135.97, 1,458,948.24 and 440,030.68 is: 660,382.91
Step by Step Solution
- Step 1: Write the proportion equation
972,135.97 : 1,458,948.24 = 440,030.68 : x - Step 2: Convert to fraction form
972,135.97/1,458,948.24 = 440,030.68/x - Step 3: Cross multiply
972,135.97x = 1,458,948.24 × 440,030.68 - Step 4: Simplify right side
972,135.97x = 641,981,982,484.63 - Step 5: Solve for x
x = 641,981,982,484.63/972,135.97 - Step 6: Final answer
x = 660,382.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.