Finding the Fourth Proportional to 726,720, 1,090,118.88 and 228,122.88
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Solution
The fourth proportional to 726,720, 1,090,118.88 and 228,122.88 is: 342,196.52
Step by Step Solution
- Step 1: Write the proportion equation
726,720 : 1,090,118.88 = 228,122.88 : x - Step 2: Convert to fraction form
726,720/1,090,118.88 = 228,122.88/x - Step 3: Cross multiply
726,720x = 1,090,118.88 × 228,122.88 - Step 4: Simplify right side
726,720x = 248,681,058,447.97 - Step 5: Solve for x
x = 248,681,058,447.97/726,720 - Step 6: Final answer
x = 342,196.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.