Finding the Fourth Proportional to 972,018.50, 1,341,424.41 and 542,336.18
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Solution
The fourth proportional to 972,018.50, 1,341,424.41 and 542,336.18 is: 748,445.62
Step by Step Solution
- Step 1: Write the proportion equation
972,018.50 : 1,341,424.41 = 542,336.18 : x - Step 2: Convert to fraction form
972,018.50/1,341,424.41 = 542,336.18/x - Step 3: Cross multiply
972,018.50x = 1,341,424.41 × 542,336.18 - Step 4: Simplify right side
972,018.50x = 727,502,990,278.15 - Step 5: Solve for x
x = 727,502,990,278.15/972,018.50 - Step 6: Final answer
x = 748,445.62
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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.