Finding the Fourth Proportional to 988,505.05, 1,364,426.99 and 575,139.09
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Solution
The fourth proportional to 988,505.05, 1,364,426.99 and 575,139.09 is: 793,860.69
Step by Step Solution
- Step 1: Write the proportion equation
988,505.05 : 1,364,426.99 = 575,139.09 : x - Step 2: Convert to fraction form
988,505.05/1,364,426.99 = 575,139.09/x - Step 3: Cross multiply
988,505.05x = 1,364,426.99 × 575,139.09 - Step 4: Simplify right side
988,505.05x = 784,735,297,400.04 - Step 5: Solve for x
x = 784,735,297,400.04/988,505.05 - Step 6: Final answer
x = 793,860.69
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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.