Finding the Fourth Proportional to 972,004.74, 1,341,367.37 and 542,284.95
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Solution
The fourth proportional to 972,004.74, 1,341,367.37 and 542,284.95 is: 748,353.69
Step by Step Solution
- Step 1: Write the proportion equation
972,004.74 : 1,341,367.37 = 542,284.95 : x - Step 2: Convert to fraction form
972,004.74/1,341,367.37 = 542,284.95/x - Step 3: Cross multiply
972,004.74x = 1,341,367.37 × 542,284.95 - Step 4: Simplify right side
972,004.74x = 727,403,337,172.08 - Step 5: Solve for x
x = 727,403,337,172.08/972,004.74 - Step 6: Final answer
x = 748,353.69
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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.