Finding the Fourth Proportional to 972,608.49, 1,342,423.67 and 570,330.09
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Solution
The fourth proportional to 972,608.49, 1,342,423.67 and 570,330.09 is: 787,186.85
Step by Step Solution
- Step 1: Write the proportion equation
972,608.49 : 1,342,423.67 = 570,330.09 : x - Step 2: Convert to fraction form
972,608.49/1,342,423.67 = 570,330.09/x - Step 3: Cross multiply
972,608.49x = 1,342,423.67 × 570,330.09 - Step 4: Simplify right side
972,608.49x = 765,624,609,677.58 - Step 5: Solve for x
x = 765,624,609,677.58/972,608.49 - Step 6: Final answer
x = 787,186.85
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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.