Finding the Fourth Proportional to 665,511.36, 998,733.60 and 384,642.24
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Solution
The fourth proportional to 665,511.36, 998,733.60 and 384,642.24 is: 577,233.02
Step by Step Solution
- Step 1: Write the proportion equation
665,511.36 : 998,733.60 = 384,642.24 : x - Step 2: Convert to fraction form
665,511.36/998,733.60 = 384,642.24/x - Step 3: Cross multiply
665,511.36x = 998,733.60 × 384,642.24 - Step 4: Simplify right side
665,511.36x = 384,155,129,067.26 - Step 5: Solve for x
x = 384,155,129,067.26/665,511.36 - Step 6: Final answer
x = 577,233.02
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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.