Finding the Fourth Proportional to 961,611.09, 1,326,934.24 and 531,881.97
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Solution
The fourth proportional to 961,611.09, 1,326,934.24 and 531,881.97 is: 733,947.86
Step by Step Solution
- Step 1: Write the proportion equation
961,611.09 : 1,326,934.24 = 531,881.97 : x - Step 2: Convert to fraction form
961,611.09/1,326,934.24 = 531,881.97/x - Step 3: Cross multiply
961,611.09x = 1,326,934.24 × 531,881.97 - Step 4: Simplify right side
961,611.09x = 705,772,397,631.65 - Step 5: Solve for x
x = 705,772,397,631.65/961,611.09 - Step 6: Final answer
x = 733,947.86
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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.