Finding the Fourth Proportional to 776,752.26, 1,071,896.38 and 432,588.07
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Solution
The fourth proportional to 776,752.26, 1,071,896.38 and 432,588.07 is: 596,959.43
Step by Step Solution
- Step 1: Write the proportion equation
776,752.26 : 1,071,896.38 = 432,588.07 : x - Step 2: Convert to fraction form
776,752.26/1,071,896.38 = 432,588.07/x - Step 3: Cross multiply
776,752.26x = 1,071,896.38 × 432,588.07 - Step 4: Simplify right side
776,752.26x = 463,689,586,264.19 - Step 5: Solve for x
x = 463,689,586,264.19/776,752.26 - Step 6: Final answer
x = 596,959.43
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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.