Finding the Fourth Proportional to 542,287.47, 748,595.10 and 379,582.98
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Solution
The fourth proportional to 542,287.47, 748,595.10 and 379,582.98 is: 523,991.38
Step by Step Solution
- Step 1: Write the proportion equation
542,287.47 : 748,595.10 = 379,582.98 : x - Step 2: Convert to fraction form
542,287.47/748,595.10 = 379,582.98/x - Step 3: Cross multiply
542,287.47x = 748,595.10 × 379,582.98 - Step 4: Simplify right side
542,287.47x = 284,153,958,871.40 - Step 5: Solve for x
x = 284,153,958,871.40/542,287.47 - Step 6: Final answer
x = 523,991.38
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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.