Finding the Fourth Proportional to 769,566.96, 1,062,000.72 and 430,035.21
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Solution
The fourth proportional to 769,566.96, 1,062,000.72 and 430,035.21 is: 593,447.65
Step by Step Solution
- Step 1: Write the proportion equation
769,566.96 : 1,062,000.72 = 430,035.21 : x - Step 2: Convert to fraction form
769,566.96/1,062,000.72 = 430,035.21/x - Step 3: Cross multiply
769,566.96x = 1,062,000.72 × 430,035.21 - Step 4: Simplify right side
769,566.96x = 456,697,702,645.35 - Step 5: Solve for x
x = 456,697,702,645.35/769,566.96 - Step 6: Final answer
x = 593,447.65
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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.