Finding the Fourth Proportional to 923,970.24, 1,275,099.84 and 542,272.32
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Solution
The fourth proportional to 923,970.24, 1,275,099.84 and 542,272.32 is: 748,348.07
Step by Step Solution
- Step 1: Write the proportion equation
923,970.24 : 1,275,099.84 = 542,272.32 : x - Step 2: Convert to fraction form
923,970.24/1,275,099.84 = 542,272.32/x - Step 3: Cross multiply
923,970.24x = 1,275,099.84 × 542,272.32 - Step 4: Simplify right side
923,970.24x = 691,451,348,468.43 - Step 5: Solve for x
x = 691,451,348,468.43/923,970.24 - Step 6: Final answer
x = 748,348.07
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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.