Finding the Fourth Proportional to 859,351.68, 1,186,047.36 and 715,884.48
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Solution
The fourth proportional to 859,351.68, 1,186,047.36 and 715,884.48 is: 988,038.91
Step by Step Solution
- Step 1: Write the proportion equation
859,351.68 : 1,186,047.36 = 715,884.48 : x - Step 2: Convert to fraction form
859,351.68/1,186,047.36 = 715,884.48/x - Step 3: Cross multiply
859,351.68x = 1,186,047.36 × 715,884.48 - Step 4: Simplify right side
859,351.68x = 849,072,897,568.97 - Step 5: Solve for x
x = 849,072,897,568.97/859,351.68 - Step 6: Final answer
x = 988,038.91
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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.