Finding the Fourth Proportional to 799,374.88, 1,102,614.96 and 512,440.48
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Solution
The fourth proportional to 799,374.88, 1,102,614.96 and 512,440.48 is: 706,832.99
Step by Step Solution
- Step 1: Write the proportion equation
799,374.88 : 1,102,614.96 = 512,440.48 : x - Step 2: Convert to fraction form
799,374.88/1,102,614.96 = 512,440.48/x - Step 3: Cross multiply
799,374.88x = 1,102,614.96 × 512,440.48 - Step 4: Simplify right side
799,374.88x = 565,024,539,357.58 - Step 5: Solve for x
x = 565,024,539,357.58/799,374.88 - Step 6: Final answer
x = 706,832.99
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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.