Finding the Fourth Proportional to 503,649.12, 694,827.54 and 299,659.26
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Solution
The fourth proportional to 503,649.12, 694,827.54 and 299,659.26 is: 413,405.88
Step by Step Solution
- Step 1: Write the proportion equation
503,649.12 : 694,827.54 = 299,659.26 : x - Step 2: Convert to fraction form
503,649.12/694,827.54 = 299,659.26/x - Step 3: Cross multiply
503,649.12x = 694,827.54 × 299,659.26 - Step 4: Simplify right side
503,649.12x = 208,211,506,464.02 - Step 5: Solve for x
x = 208,211,506,464.02/503,649.12 - Step 6: Final answer
x = 413,405.88
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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.