Finding the Fourth Proportional to 721,285.02, 995,286.57 and 415,460.87
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Solution
The fourth proportional to 721,285.02, 995,286.57 and 415,460.87 is: 573,286.02
Step by Step Solution
- Step 1: Write the proportion equation
721,285.02 : 995,286.57 = 415,460.87 : x - Step 2: Convert to fraction form
721,285.02/995,286.57 = 415,460.87/x - Step 3: Cross multiply
721,285.02x = 995,286.57 × 415,460.87 - Step 4: Simplify right side
721,285.02x = 413,502,619,295.08 - Step 5: Solve for x
x = 413,502,619,295.08/721,285.02 - Step 6: Final answer
x = 573,286.02
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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.