Finding the Fourth Proportional to 721,626.03, 995,860.17 and 467,419.68
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Solution
The fourth proportional to 721,626.03, 995,860.17 and 467,419.68 is: 645,049.68
Step by Step Solution
- Step 1: Write the proportion equation
721,626.03 : 995,860.17 = 467,419.68 : x - Step 2: Convert to fraction form
721,626.03/995,860.17 = 467,419.68/x - Step 3: Cross multiply
721,626.03x = 995,860.17 × 467,419.68 - Step 4: Simplify right side
721,626.03x = 465,484,641,986.15 - Step 5: Solve for x
x = 465,484,641,986.15/721,626.03 - Step 6: Final answer
x = 645,049.68
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1.5x scale
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.