Finding the Fourth Proportional to 513,707.16, 708,991.09 and 295,873.97
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Solution
The fourth proportional to 513,707.16, 708,991.09 and 295,873.97 is: 408,349.39
Step by Step Solution
- Step 1: Write the proportion equation
513,707.16 : 708,991.09 = 295,873.97 : x - Step 2: Convert to fraction form
513,707.16/708,991.09 = 295,873.97/x - Step 3: Cross multiply
513,707.16x = 708,991.09 × 295,873.97 - Step 4: Simplify right side
513,707.16x = 209,772,004,208.29 - Step 5: Solve for x
x = 209,772,004,208.29/513,707.16 - Step 6: Final answer
x = 408,349.39
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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.