Finding the Fourth Proportional to 992,331.99, 1,369,376.80 and 562,641.16
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Solution
The fourth proportional to 992,331.99, 1,369,376.80 and 562,641.16 is: 776,421.36
Step by Step Solution
- Step 1: Write the proportion equation
992,331.99 : 1,369,376.80 = 562,641.16 : x - Step 2: Convert to fraction form
992,331.99/1,369,376.80 = 562,641.16/x - Step 3: Cross multiply
992,331.99x = 1,369,376.80 × 562,641.16 - Step 4: Simplify right side
992,331.99x = 770,467,751,229.09 - Step 5: Solve for x
x = 770,467,751,229.09/992,331.99 - Step 6: Final answer
x = 776,421.36
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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.