Finding the Fourth Proportional to 485,134.10, 727,701.15 and 482,023.70
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Solution
The fourth proportional to 485,134.10, 727,701.15 and 482,023.70 is: 723,035.55
Step by Step Solution
- Step 1: Write the proportion equation
485,134.10 : 727,701.15 = 482,023.70 : x - Step 2: Convert to fraction form
485,134.10/727,701.15 = 482,023.70/x - Step 3: Cross multiply
485,134.10x = 727,701.15 × 482,023.70 - Step 4: Simplify right side
485,134.10x = 350,769,200,817.26 - Step 5: Solve for x
x = 350,769,200,817.26/485,134.10 - Step 6: Final answer
x = 723,035.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.