Finding the Fourth Proportional to 873,135.36, 1,204,914.24 and 485,948.16
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Solution
The fourth proportional to 873,135.36, 1,204,914.24 and 485,948.16 is: 670,601.47
Step by Step Solution
- Step 1: Write the proportion equation
873,135.36 : 1,204,914.24 = 485,948.16 : x - Step 2: Convert to fraction form
873,135.36/1,204,914.24 = 485,948.16/x - Step 3: Cross multiply
873,135.36x = 1,204,914.24 × 485,948.16 - Step 4: Simplify right side
873,135.36x = 585,525,857,885.80 - Step 5: Solve for x
x = 585,525,857,885.80/873,135.36 - Step 6: Final answer
x = 670,601.47
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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.