Finding the Fourth Proportional to 744,582.36, 1,108,452.12 and 740,153.70
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Solution
The fourth proportional to 744,582.36, 1,108,452.12 and 740,153.70 is: 1,101,859.22
Step by Step Solution
- Step 1: Write the proportion equation
744,582.36 : 1,108,452.12 = 740,153.70 : x - Step 2: Convert to fraction form
744,582.36/1,108,452.12 = 740,153.70/x - Step 3: Cross multiply
744,582.36x = 1,108,452.12 × 740,153.70 - Step 4: Simplify right side
744,582.36x = 820,424,937,890.84 - Step 5: Solve for x
x = 820,424,937,890.84/744,582.36 - Step 6: Final answer
x = 1,101,859.22
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.