Finding the Fourth Proportional to 874,818.24, 1,207,274.76 and 512,208.17
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Solution
The fourth proportional to 874,818.24, 1,207,274.76 and 512,208.17 is: 706,862.25
Step by Step Solution
- Step 1: Write the proportion equation
874,818.24 : 1,207,274.76 = 512,208.17 : x - Step 2: Convert to fraction form
874,818.24/1,207,274.76 = 512,208.17/x - Step 3: Cross multiply
874,818.24x = 1,207,274.76 × 512,208.17 - Step 4: Simplify right side
874,818.24x = 618,375,989,470.42 - Step 5: Solve for x
x = 618,375,989,470.42/874,818.24 - Step 6: Final answer
x = 706,862.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.