Finding the Fourth Proportional to 448,786.08, 672,537.60 and 329,521.68
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Solution
The fourth proportional to 448,786.08, 672,537.60 and 329,521.68 is: 493,811.48
Step by Step Solution
- Step 1: Write the proportion equation
448,786.08 : 672,537.60 = 329,521.68 : x - Step 2: Convert to fraction form
448,786.08/672,537.60 = 329,521.68/x - Step 3: Cross multiply
448,786.08x = 672,537.60 × 329,521.68 - Step 4: Simplify right side
448,786.08x = 221,615,719,815.17 - Step 5: Solve for x
x = 221,615,719,815.17/448,786.08 - Step 6: Final answer
x = 493,811.48
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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.