Finding the Fourth Proportional to 758,806.38, 1,138,333.10 and 354,402.99
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Solution
The fourth proportional to 758,806.38, 1,138,333.10 and 354,402.99 is: 531,662.18
Step by Step Solution
- Step 1: Write the proportion equation
758,806.38 : 1,138,333.10 = 354,402.99 : x - Step 2: Convert to fraction form
758,806.38/1,138,333.10 = 354,402.99/x - Step 3: Cross multiply
758,806.38x = 1,138,333.10 × 354,402.99 - Step 4: Simplify right side
758,806.38x = 403,428,652,483.95 - Step 5: Solve for x
x = 403,428,652,483.95/758,806.38 - Step 6: Final answer
x = 531,662.18
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1.5x scale
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.