Finding the Fourth Proportional to 972,165.97, 1,341,664.32 and 536,668.66
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Solution
The fourth proportional to 972,165.97, 1,341,664.32 and 536,668.66 is: 740,644.31
Step by Step Solution
- Step 1: Write the proportion equation
972,165.97 : 1,341,664.32 = 536,668.66 : x - Step 2: Convert to fraction form
972,165.97/1,341,664.32 = 536,668.66/x - Step 3: Cross multiply
972,165.97x = 1,341,664.32 × 536,668.66 - Step 4: Simplify right side
972,165.97x = 720,029,192,784.21 - Step 5: Solve for x
x = 720,029,192,784.21/972,165.97 - Step 6: Final answer
x = 740,644.31
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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.