Finding the Fourth Proportional to 855,514.08, 1,282,909.68 and 256,560.48
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Solution
The fourth proportional to 855,514.08, 1,282,909.68 and 256,560.48 is: 384,732.33
Step by Step Solution
- Step 1: Write the proportion equation
855,514.08 : 1,282,909.68 = 256,560.48 : x - Step 2: Convert to fraction form
855,514.08/1,282,909.68 = 256,560.48/x - Step 3: Cross multiply
855,514.08x = 1,282,909.68 × 256,560.48 - Step 4: Simplify right side
855,514.08x = 329,143,923,297.45 - Step 5: Solve for x
x = 329,143,923,297.45/855,514.08 - Step 6: Final answer
x = 384,732.33
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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.