Finding the Fourth Proportional to 989,858.68, 1,366,004.96 and 537,149.68
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Solution
The fourth proportional to 989,858.68, 1,366,004.96 and 537,149.68 is: 741,266.55
Step by Step Solution
- Step 1: Write the proportion equation
989,858.68 : 1,366,004.96 = 537,149.68 : x - Step 2: Convert to fraction form
989,858.68/1,366,004.96 = 537,149.68/x - Step 3: Cross multiply
989,858.68x = 1,366,004.96 × 537,149.68 - Step 4: Simplify right side
989,858.68x = 733,749,123,055.96 - Step 5: Solve for x
x = 733,749,123,055.96/989,858.68 - Step 6: Final answer
x = 741,266.55
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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.