Finding the Fourth Proportional to 542,331.23, 748,453.12 and 300,623.99
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Solution
The fourth proportional to 542,331.23, 748,453.12 and 300,623.99 is: 414,881.07
Step by Step Solution
- Step 1: Write the proportion equation
542,331.23 : 748,453.12 = 300,623.99 : x - Step 2: Convert to fraction form
542,331.23/748,453.12 = 300,623.99/x - Step 3: Cross multiply
542,331.23x = 748,453.12 × 300,623.99 - Step 4: Simplify right side
542,331.23x = 225,002,963,262.35 - Step 5: Solve for x
x = 225,002,963,262.35/542,331.23 - Step 6: Final answer
x = 414,881.07
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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.