Finding the Fourth Proportional to 542,571.80, 813,857.70 and 514,923.80
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Solution
The fourth proportional to 542,571.80, 813,857.70 and 514,923.80 is: 772,385.70
Step by Step Solution
- Step 1: Write the proportion equation
542,571.80 : 813,857.70 = 514,923.80 : x - Step 2: Convert to fraction form
542,571.80/813,857.70 = 514,923.80/x - Step 3: Cross multiply
542,571.80x = 813,857.70 × 514,923.80 - Step 4: Simplify right side
542,571.80x = 419,074,699,543.26 - Step 5: Solve for x
x = 419,074,699,543.26/542,571.80 - Step 6: Final answer
x = 772,385.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.