Finding the Fourth Proportional to 664,483.80, 995,537.70 and 404,347.80
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Solution
The fourth proportional to 664,483.80, 995,537.70 and 404,347.80 is: 605,798.79
Step by Step Solution
- Step 1: Write the proportion equation
664,483.80 : 995,537.70 = 404,347.80 : x - Step 2: Convert to fraction form
664,483.80/995,537.70 = 404,347.80/x - Step 3: Cross multiply
664,483.80x = 995,537.70 × 404,347.80 - Step 4: Simplify right side
664,483.80x = 402,543,478,812.06 - Step 5: Solve for x
x = 402,543,478,812.06/664,483.80 - Step 6: Final answer
x = 605,798.79
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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.