Finding the Fourth Proportional to 868,593.09, 1,303,063.79 and 299,995.05
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Solution
The fourth proportional to 868,593.09, 1,303,063.79 and 299,995.05 is: 450,052.72
Step by Step Solution
- Step 1: Write the proportion equation
868,593.09 : 1,303,063.79 = 299,995.05 : x - Step 2: Convert to fraction form
868,593.09/1,303,063.79 = 299,995.05/x - Step 3: Cross multiply
868,593.09x = 1,303,063.79 × 299,995.05 - Step 4: Simplify right side
868,593.09x = 390,912,685,334.26 - Step 5: Solve for x
x = 390,912,685,334.26/868,593.09 - Step 6: Final answer
x = 450,052.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.