Finding the Fourth Proportional to 991,170.27, 1,493,418.47 and 896,505.98
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Solution
The fourth proportional to 991,170.27, 1,493,418.47 and 896,505.98 is: 1,350,785.65
Step by Step Solution
- Step 1: Write the proportion equation
991,170.27 : 1,493,418.47 = 896,505.98 : x - Step 2: Convert to fraction form
991,170.27/1,493,418.47 = 896,505.98/x - Step 3: Cross multiply
991,170.27x = 1,493,418.47 × 896,505.98 - Step 4: Simplify right side
991,170.27x = 1,338,858,577,047.83 - Step 5: Solve for x
x = 1,338,858,577,047.83/991,170.27 - Step 6: Final answer
x = 1,350,785.65
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.