Finding the Fourth Proportional to 757,543.06, 1,045,509.15 and 527,951.80
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Solution
The fourth proportional to 757,543.06, 1,045,509.15 and 527,951.80 is: 728,642.99
Step by Step Solution
- Step 1: Write the proportion equation
757,543.06 : 1,045,509.15 = 527,951.80 : x - Step 2: Convert to fraction form
757,543.06/1,045,509.15 = 527,951.80/x - Step 3: Cross multiply
757,543.06x = 1,045,509.15 × 527,951.80 - Step 4: Simplify right side
757,543.06x = 551,978,437,658.97 - Step 5: Solve for x
x = 551,978,437,658.97/757,543.06 - Step 6: Final answer
x = 728,642.99
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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.