Finding the Fourth Proportional to 972,144.24, 1,341,562.76 and 542,442.48
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Solution
The fourth proportional to 972,144.24, 1,341,562.76 and 542,442.48 is: 748,572.69
Step by Step Solution
- Step 1: Write the proportion equation
972,144.24 : 1,341,562.76 = 542,442.48 : x - Step 2: Convert to fraction form
972,144.24/1,341,562.76 = 542,442.48/x - Step 3: Cross multiply
972,144.24x = 1,341,562.76 × 542,442.48 - Step 4: Simplify right side
972,144.24x = 727,720,630,610.05 - Step 5: Solve for x
x = 727,720,630,610.05/972,144.24 - Step 6: Final answer
x = 748,572.69
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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.