Finding the Fourth Proportional to 961,047.09, 1,326,272.67 and 531,354.96
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Solution
The fourth proportional to 961,047.09, 1,326,272.67 and 531,354.96 is: 733,285.15
Step by Step Solution
- Step 1: Write the proportion equation
961,047.09 : 1,326,272.67 = 531,354.96 : x - Step 2: Convert to fraction form
961,047.09/1,326,272.67 = 531,354.96/x - Step 3: Cross multiply
961,047.09x = 1,326,272.67 × 531,354.96 - Step 4: Simplify right side
961,047.09x = 704,721,561,516.94 - Step 5: Solve for x
x = 704,721,561,516.94/961,047.09 - Step 6: Final answer
x = 733,285.15
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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.