Finding the Fourth Proportional to 716,814.18, 1,074,618.63 and 479,432.34
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Solution
The fourth proportional to 716,814.18, 1,074,618.63 and 479,432.34 is: 718,745.44
Step by Step Solution
- Step 1: Write the proportion equation
716,814.18 : 1,074,618.63 = 479,432.34 : x - Step 2: Convert to fraction form
716,814.18/1,074,618.63 = 479,432.34/x - Step 3: Cross multiply
716,814.18x = 1,074,618.63 × 479,432.34 - Step 4: Simplify right side
716,814.18x = 515,206,924,388.49 - Step 5: Solve for x
x = 515,206,924,388.49/716,814.18 - Step 6: Final answer
x = 718,745.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.