Finding the Fourth Proportional to 905,583.24, 1,249,644.29 and 497,676.29
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Solution
The fourth proportional to 905,583.24, 1,249,644.29 and 497,676.29 is: 686,759.98
Step by Step Solution
- Step 1: Write the proportion equation
905,583.24 : 1,249,644.29 = 497,676.29 : x - Step 2: Convert to fraction form
905,583.24/1,249,644.29 = 497,676.29/x - Step 3: Cross multiply
905,583.24x = 1,249,644.29 × 497,676.29 - Step 4: Simplify right side
905,583.24x = 621,918,325,330.28 - Step 5: Solve for x
x = 621,918,325,330.28/905,583.24 - Step 6: Final answer
x = 686,759.98
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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.