Finding the Fourth Proportional to 951,231.11, 1,312,700.70 and 515,647.13
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Solution
The fourth proportional to 951,231.11, 1,312,700.70 and 515,647.13 is: 711,593.99
Step by Step Solution
- Step 1: Write the proportion equation
951,231.11 : 1,312,700.70 = 515,647.13 : x - Step 2: Convert to fraction form
951,231.11/1,312,700.70 = 515,647.13/x - Step 3: Cross multiply
951,231.11x = 1,312,700.70 × 515,647.13 - Step 4: Simplify right side
951,231.11x = 676,890,341,940.49 - Step 5: Solve for x
x = 676,890,341,940.49/951,231.11 - Step 6: Final answer
x = 711,593.99
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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.