Finding the Fourth Proportional to 816,901.02, 1,225,143.43 and 579,247.26
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Solution
The fourth proportional to 816,901.02, 1,225,143.43 and 579,247.26 is: 868,723.32
Step by Step Solution
- Step 1: Write the proportion equation
816,901.02 : 1,225,143.43 = 579,247.26 : x - Step 2: Convert to fraction form
816,901.02/1,225,143.43 = 579,247.26/x - Step 3: Cross multiply
816,901.02x = 1,225,143.43 × 579,247.26 - Step 4: Simplify right side
816,901.02x = 709,660,968,892.10 - Step 5: Solve for x
x = 709,660,968,892.10/816,901.02 - Step 6: Final answer
x = 868,723.32
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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.