Finding the Fourth Proportional to 870,872.19, 1,201,593.27 and 508,088.97
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Solution
The fourth proportional to 870,872.19, 1,201,593.27 and 508,088.97 is: 701,040.05
Step by Step Solution
- Step 1: Write the proportion equation
870,872.19 : 1,201,593.27 = 508,088.97 : x - Step 2: Convert to fraction form
870,872.19/1,201,593.27 = 508,088.97/x - Step 3: Cross multiply
870,872.19x = 1,201,593.27 × 508,088.97 - Step 4: Simplify right side
870,872.19x = 610,516,286,913.23 - Step 5: Solve for x
x = 610,516,286,913.23/870,872.19 - Step 6: Final answer
x = 701,040.05
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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.