Finding the Fourth Proportional to 566,691.36, 782,074.56 and 318,353.44
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Solution
The fourth proportional to 566,691.36, 782,074.56 and 318,353.44 is: 439,350.49
Step by Step Solution
- Step 1: Write the proportion equation
566,691.36 : 782,074.56 = 318,353.44 : x - Step 2: Convert to fraction form
566,691.36/782,074.56 = 318,353.44/x - Step 3: Cross multiply
566,691.36x = 782,074.56 × 318,353.44 - Step 4: Simplify right side
566,691.36x = 248,976,126,512.49 - Step 5: Solve for x
x = 248,976,126,512.49/566,691.36 - Step 6: Final answer
x = 439,350.49
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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.