Finding the Fourth Proportional to 739,982.36, 1,021,204.86 and 417,703.88
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Solution
The fourth proportional to 739,982.36, 1,021,204.86 and 417,703.88 is: 576,447.84
Step by Step Solution
- Step 1: Write the proportion equation
739,982.36 : 1,021,204.86 = 417,703.88 : x - Step 2: Convert to fraction form
739,982.36/1,021,204.86 = 417,703.88/x - Step 3: Cross multiply
739,982.36x = 1,021,204.86 × 417,703.88 - Step 4: Simplify right side
739,982.36x = 426,561,232,296.86 - Step 5: Solve for x
x = 426,561,232,296.86/739,982.36 - Step 6: Final answer
x = 576,447.84
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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.