Finding the Fourth Proportional to 542,522.99, 748,560.75 and 324,697.79
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Solution
The fourth proportional to 542,522.99, 748,560.75 and 324,697.79 is: 448,010.55
Step by Step Solution
- Step 1: Write the proportion equation
542,522.99 : 748,560.75 = 324,697.79 : x - Step 2: Convert to fraction form
542,522.99/748,560.75 = 324,697.79/x - Step 3: Cross multiply
542,522.99x = 748,560.75 × 324,697.79 - Step 4: Simplify right side
542,522.99x = 243,056,021,205.74 - Step 5: Solve for x
x = 243,056,021,205.74/542,522.99 - Step 6: Final answer
x = 448,010.55
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1.5x scale
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.