Finding the Fourth Proportional to 720,980.16, 995,027.36 and 415,067.44
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Solution
The fourth proportional to 720,980.16, 995,027.36 and 415,067.44 is: 572,836.09
Step by Step Solution
- Step 1: Write the proportion equation
720,980.16 : 995,027.36 = 415,067.44 : x - Step 2: Convert to fraction form
720,980.16/995,027.36 = 415,067.44/x - Step 3: Cross multiply
720,980.16x = 995,027.36 × 415,067.44 - Step 4: Simplify right side
720,980.16x = 413,003,459,045.16 - Step 5: Solve for x
x = 413,003,459,045.16/720,980.16 - Step 6: Final answer
x = 572,836.09
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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.