Finding the Fourth Proportional to 967,747.40, 1,335,520.28 and 532,142.09
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Solution
The fourth proportional to 967,747.40, 1,335,520.28 and 532,142.09 is: 734,371.96
Step by Step Solution
- Step 1: Write the proportion equation
967,747.40 : 1,335,520.28 = 532,142.09 : x - Step 2: Convert to fraction form
967,747.40/1,335,520.28 = 532,142.09/x - Step 3: Cross multiply
967,747.40x = 1,335,520.28 × 532,142.09 - Step 4: Simplify right side
967,747.40x = 710,686,553,036.59 - Step 5: Solve for x
x = 710,686,553,036.59/967,747.40 - Step 6: Final answer
x = 734,371.96
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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.