Finding the Fourth Proportional to 664,403.80, 995,417.70 and 404,267.80
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Solution
The fourth proportional to 664,403.80, 995,417.70 and 404,267.80 is: 605,678.84
Step by Step Solution
- Step 1: Write the proportion equation
664,403.80 : 995,417.70 = 404,267.80 : x - Step 2: Convert to fraction form
664,403.80/995,417.70 = 404,267.80/x - Step 3: Cross multiply
664,403.80x = 995,417.70 × 404,267.80 - Step 4: Simplify right side
664,403.80x = 402,415,323,660.06 - Step 5: Solve for x
x = 402,415,323,660.06/664,403.80 - Step 6: Final answer
x = 605,678.84
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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.