Finding the Fourth Proportional to 574,976.78, 793,473.18 and 316,862.98
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Solution
The fourth proportional to 574,976.78, 793,473.18 and 316,862.98 is: 437,273.79
Step by Step Solution
- Step 1: Write the proportion equation
574,976.78 : 793,473.18 = 316,862.98 : x - Step 2: Convert to fraction form
574,976.78/793,473.18 = 316,862.98/x - Step 3: Cross multiply
574,976.78x = 793,473.18 × 316,862.98 - Step 4: Simplify right side
574,976.78x = 251,422,274,381.19 - Step 5: Solve for x
x = 251,422,274,381.19/574,976.78 - Step 6: Final answer
x = 437,273.79
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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.