Finding the Fourth Proportional to 522,939.13, 721,625.66 and 293,474.98
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Solution
The fourth proportional to 522,939.13, 721,625.66 and 293,474.98 is: 404,978.45
Step by Step Solution
- Step 1: Write the proportion equation
522,939.13 : 721,625.66 = 293,474.98 : x - Step 2: Convert to fraction form
522,939.13/721,625.66 = 293,474.98/x - Step 3: Cross multiply
522,939.13x = 721,625.66 × 293,474.98 - Step 4: Simplify right side
522,939.13x = 211,779,076,671.18 - Step 5: Solve for x
x = 211,779,076,671.18/522,939.13 - Step 6: Final answer
x = 404,978.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.