Finding the Fourth Proportional to 542,924.84, 748,976.46 and 324,984.80
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Solution
The fourth proportional to 542,924.84, 748,976.46 and 324,984.80 is: 448,323.50
Step by Step Solution
- Step 1: Write the proportion equation
542,924.84 : 748,976.46 = 324,984.80 : x - Step 2: Convert to fraction form
542,924.84/748,976.46 = 324,984.80/x - Step 3: Cross multiply
542,924.84x = 748,976.46 × 324,984.80 - Step 4: Simplify right side
542,924.84x = 243,405,965,057.81 - Step 5: Solve for x
x = 243,405,965,057.81/542,924.84 - Step 6: Final answer
x = 448,323.50
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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.