Finding the Fourth Proportional to 816,876.33, 1,126,506.99 and 540,797.14
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Solution
The fourth proportional to 816,876.33, 1,126,506.99 and 540,797.14 is: 745,782.12
Step by Step Solution
- Step 1: Write the proportion equation
816,876.33 : 1,126,506.99 = 540,797.14 : x - Step 2: Convert to fraction form
816,876.33/1,126,506.99 = 540,797.14/x - Step 3: Cross multiply
816,876.33x = 1,126,506.99 × 540,797.14 - Step 4: Simplify right side
816,876.33x = 609,211,758,382.01 - Step 5: Solve for x
x = 609,211,758,382.01/816,876.33 - Step 6: Final answer
x = 745,782.12
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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.