Finding the Fourth Proportional to 687,104.26, 1,030,661.87 and 282,192.14
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Solution
The fourth proportional to 687,104.26, 1,030,661.87 and 282,192.14 is: 423,290.46
Step by Step Solution
- Step 1: Write the proportion equation
687,104.26 : 1,030,661.87 = 282,192.14 : x - Step 2: Convert to fraction form
687,104.26/1,030,661.87 = 282,192.14/x - Step 3: Cross multiply
687,104.26x = 1,030,661.87 × 282,192.14 - Step 4: Simplify right side
687,104.26x = 290,844,679,877.40 - Step 5: Solve for x
x = 290,844,679,877.40/687,104.26 - Step 6: Final answer
x = 423,290.46
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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.