Finding the Fourth Proportional to 972,012.99, 1,341,378.75 and 542,293.23
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Solution
The fourth proportional to 972,012.99, 1,341,378.75 and 542,293.23 is: 748,365.12
Step by Step Solution
- Step 1: Write the proportion equation
972,012.99 : 1,341,378.75 = 542,293.23 : x - Step 2: Convert to fraction form
972,012.99/1,341,378.75 = 542,293.23/x - Step 3: Cross multiply
972,012.99x = 1,341,378.75 × 542,293.23 - Step 4: Simplify right side
972,012.99x = 727,420,614,990.86 - Step 5: Solve for x
x = 727,420,614,990.86/972,012.99 - Step 6: Final answer
x = 748,365.12
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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.