Finding the Fourth Proportional to 835,920.36, 1,153,923.23 and 564,356.09
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Solution
The fourth proportional to 835,920.36, 1,153,923.23 and 564,356.09 is: 779,049.82
Step by Step Solution
- Step 1: Write the proportion equation
835,920.36 : 1,153,923.23 = 564,356.09 : x - Step 2: Convert to fraction form
835,920.36/1,153,923.23 = 564,356.09/x - Step 3: Cross multiply
835,920.36x = 1,153,923.23 × 564,356.09 - Step 4: Simplify right side
835,920.36x = 651,223,602,242.97 - Step 5: Solve for x
x = 651,223,602,242.97/835,920.36 - Step 6: Final answer
x = 779,049.82
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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.