Finding the Fourth Proportional to 744,902.10, 1,117,353.15 and 698,246.10
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Solution
The fourth proportional to 744,902.10, 1,117,353.15 and 698,246.10 is: 1,047,369.15
Step by Step Solution
- Step 1: Write the proportion equation
744,902.10 : 1,117,353.15 = 698,246.10 : x - Step 2: Convert to fraction form
744,902.10/1,117,353.15 = 698,246.10/x - Step 3: Cross multiply
744,902.10x = 1,117,353.15 × 698,246.10 - Step 4: Simplify right side
744,902.10x = 780,187,479,310.22 - Step 5: Solve for x
x = 780,187,479,310.22/744,902.10 - Step 6: Final answer
x = 1,047,369.15
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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.