Finding the Fourth Proportional to 542,419.99, 748,539.57 and 300,701.95
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Solution
The fourth proportional to 542,419.99, 748,539.57 and 300,701.95 is: 414,968.68
Step by Step Solution
- Step 1: Write the proportion equation
542,419.99 : 748,539.57 = 300,701.95 : x - Step 2: Convert to fraction form
542,419.99/748,539.57 = 300,701.95/x - Step 3: Cross multiply
542,419.99x = 748,539.57 × 300,701.95 - Step 4: Simplify right side
542,419.99x = 225,087,308,351.16 - Step 5: Solve for x
x = 225,087,308,351.16/542,419.99 - Step 6: Final answer
x = 414,968.68
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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.