Finding the Fourth Proportional to 916,410.80, 1,264,653.84 and 508,514.24
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Solution
The fourth proportional to 916,410.80, 1,264,653.84 and 508,514.24 is: 701,753.50
Step by Step Solution
- Step 1: Write the proportion equation
916,410.80 : 1,264,653.84 = 508,514.24 : x - Step 2: Convert to fraction form
916,410.80/1,264,653.84 = 508,514.24/x - Step 3: Cross multiply
916,410.80x = 1,264,653.84 × 508,514.24 - Step 4: Simplify right side
916,410.80x = 643,094,486,310.68 - Step 5: Solve for x
x = 643,094,486,310.68/916,410.80 - Step 6: Final answer
x = 701,753.50
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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.