Finding the Fourth Proportional to 951,230.36, 1,312,699.67 and 515,646.38
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Solution
The fourth proportional to 951,230.36, 1,312,699.67 and 515,646.38 is: 711,592.95
Step by Step Solution
- Step 1: Write the proportion equation
951,230.36 : 1,312,699.67 = 515,646.38 : x - Step 2: Convert to fraction form
951,230.36/1,312,699.67 = 515,646.38/x - Step 3: Cross multiply
951,230.36x = 1,312,699.67 × 515,646.38 - Step 4: Simplify right side
951,230.36x = 676,888,823,720.96 - Step 5: Solve for x
x = 676,888,823,720.96/951,230.36 - Step 6: Final answer
x = 711,592.95
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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.