Finding the Fourth Proportional to 840,593.36, 1,160,446.92 and 649,177.04
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Solution
The fourth proportional to 840,593.36, 1,160,446.92 and 649,177.04 is: 896,194.92
Step by Step Solution
- Step 1: Write the proportion equation
840,593.36 : 1,160,446.92 = 649,177.04 : x - Step 2: Convert to fraction form
840,593.36/1,160,446.92 = 649,177.04/x - Step 3: Cross multiply
840,593.36x = 1,160,446.92 × 649,177.04 - Step 4: Simplify right side
840,593.36x = 753,335,496,602.72 - Step 5: Solve for x
x = 753,335,496,602.72/840,593.36 - Step 6: Final answer
x = 896,194.92
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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.