Finding the Fourth Proportional to 534,589.61, 737,733.42 and 319,729.68
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Solution
The fourth proportional to 534,589.61, 737,733.42 and 319,729.68 is: 441,226.82
Step by Step Solution
- Step 1: Write the proportion equation
534,589.61 : 737,733.42 = 319,729.68 : x - Step 2: Convert to fraction form
534,589.61/737,733.42 = 319,729.68/x - Step 3: Cross multiply
534,589.61x = 737,733.42 × 319,729.68 - Step 4: Simplify right side
534,589.61x = 235,875,270,301.91 - Step 5: Solve for x
x = 235,875,270,301.91/534,589.61 - Step 6: Final answer
x = 441,226.82
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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.