Finding the Fourth Proportional to 972,609.99, 1,342,425.74 and 570,331.59
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Solution
The fourth proportional to 972,609.99, 1,342,425.74 and 570,331.59 is: 787,188.92
Step by Step Solution
- Step 1: Write the proportion equation
972,609.99 : 1,342,425.74 = 570,331.59 : x - Step 2: Convert to fraction form
972,609.99/1,342,425.74 = 570,331.59/x - Step 3: Cross multiply
972,609.99x = 1,342,425.74 × 570,331.59 - Step 4: Simplify right side
972,609.99x = 765,627,806,751.13 - Step 5: Solve for x
x = 765,627,806,751.13/972,609.99 - Step 6: Final answer
x = 787,188.92
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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.