Finding the Fourth Proportional to 823,716.95, 1,136,865.41 and 565,381.67
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Solution
The fourth proportional to 823,716.95, 1,136,865.41 and 565,381.67 is: 780,320.07
Step by Step Solution
- Step 1: Write the proportion equation
823,716.95 : 1,136,865.41 = 565,381.67 : x - Step 2: Convert to fraction form
823,716.95/1,136,865.41 = 565,381.67/x - Step 3: Cross multiply
823,716.95x = 1,136,865.41 × 565,381.67 - Step 4: Simplify right side
823,716.95x = 642,762,868,326.65 - Step 5: Solve for x
x = 642,762,868,326.65/823,716.95 - Step 6: Final answer
x = 780,320.07
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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.