Finding the Fourth Proportional to 971,324.22, 1,340,075.82 and 563,201.28
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Solution
The fourth proportional to 971,324.22, 1,340,075.82 and 563,201.28 is: 777,013.90
Step by Step Solution
- Step 1: Write the proportion equation
971,324.22 : 1,340,075.82 = 563,201.28 : x - Step 2: Convert to fraction form
971,324.22/1,340,075.82 = 563,201.28/x - Step 3: Cross multiply
971,324.22x = 1,340,075.82 × 563,201.28 - Step 4: Simplify right side
971,324.22x = 754,732,417,121.05 - Step 5: Solve for x
x = 754,732,417,121.05/971,324.22 - Step 6: Final answer
x = 777,013.90
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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.