Finding the Fourth Proportional to 725,793.40, 1,001,015.58 and 453,341.80
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Solution
The fourth proportional to 725,793.40, 1,001,015.58 and 453,341.80 is: 625,249.84
Step by Step Solution
- Step 1: Write the proportion equation
725,793.40 : 1,001,015.58 = 453,341.80 : x - Step 2: Convert to fraction form
725,793.40/1,001,015.58 = 453,341.80/x - Step 3: Cross multiply
725,793.40x = 1,001,015.58 × 453,341.80 - Step 4: Simplify right side
725,793.40x = 453,802,204,865.24 - Step 5: Solve for x
x = 453,802,204,865.24/725,793.40 - Step 6: Final answer
x = 625,249.84
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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.