Finding the Fourth Proportional to 659,644.08, 910,325.16 and 404,850.48
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Solution
The fourth proportional to 659,644.08, 910,325.16 and 404,850.48 is: 558,703.68
Step by Step Solution
- Step 1: Write the proportion equation
659,644.08 : 910,325.16 = 404,850.48 : x - Step 2: Convert to fraction form
659,644.08/910,325.16 = 404,850.48/x - Step 3: Cross multiply
659,644.08x = 910,325.16 × 404,850.48 - Step 4: Simplify right side
659,644.08x = 368,545,577,982.08 - Step 5: Solve for x
x = 368,545,577,982.08/659,644.08 - Step 6: Final answer
x = 558,703.68
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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.