Finding the Fourth Proportional to 748,612.01, 1,121,856.50 and 579,344.39
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Solution
The fourth proportional to 748,612.01, 1,121,856.50 and 579,344.39 is: 868,195.08
Step by Step Solution
- Step 1: Write the proportion equation
748,612.01 : 1,121,856.50 = 579,344.39 : x - Step 2: Convert to fraction form
748,612.01/1,121,856.50 = 579,344.39/x - Step 3: Cross multiply
748,612.01x = 1,121,856.50 × 579,344.39 - Step 4: Simplify right side
748,612.01x = 649,941,261,154.03 - Step 5: Solve for x
x = 649,941,261,154.03/748,612.01 - Step 6: Final answer
x = 868,195.08
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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.