Finding the Fourth Proportional to 1,008,325.84, 1,391,524.84 and 549,478.20
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Solution
The fourth proportional to 1,008,325.84, 1,391,524.84 and 549,478.20 is: 758,299.09
Step by Step Solution
- Step 1: Write the proportion equation
1,008,325.84 : 1,391,524.84 = 549,478.20 : x - Step 2: Convert to fraction form
1,008,325.84/1,391,524.84 = 549,478.20/x - Step 3: Cross multiply
1,008,325.84x = 1,391,524.84 × 549,478.20 - Step 4: Simplify right side
1,008,325.84x = 764,612,564,338.49 - Step 5: Solve for x
x = 764,612,564,338.49/1,008,325.84 - Step 6: Final answer
x = 758,299.09
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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.