Finding the Fourth Proportional to 725,916.12, 1,086,325.65 and 596,324.07
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Solution
The fourth proportional to 725,916.12, 1,086,325.65 and 596,324.07 is: 892,392.54
Step by Step Solution
- Step 1: Write the proportion equation
725,916.12 : 1,086,325.65 = 596,324.07 : x - Step 2: Convert to fraction form
725,916.12/1,086,325.65 = 596,324.07/x - Step 3: Cross multiply
725,916.12x = 1,086,325.65 × 596,324.07 - Step 4: Simplify right side
725,916.12x = 647,802,132,953.40 - Step 5: Solve for x
x = 647,802,132,953.40/725,916.12 - Step 6: Final answer
x = 892,392.54
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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.