Finding the Fourth Proportional to 690,930.04, 1,036,395.06 and 269,910.68
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Solution
The fourth proportional to 690,930.04, 1,036,395.06 and 269,910.68 is: 404,866.02
Step by Step Solution
- Step 1: Write the proportion equation
690,930.04 : 1,036,395.06 = 269,910.68 : x - Step 2: Convert to fraction form
690,930.04/1,036,395.06 = 269,910.68/x - Step 3: Cross multiply
690,930.04x = 1,036,395.06 × 269,910.68 - Step 4: Simplify right side
690,930.04x = 279,734,095,393.24 - Step 5: Solve for x
x = 279,734,095,393.24/690,930.04 - Step 6: Final answer
x = 404,866.02
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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.