Finding the Fourth Proportional to 944,697.20, 1,416,916.20 and 313,545.20
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Solution
The fourth proportional to 944,697.20, 1,416,916.20 and 313,545.20 is: 470,274.79
Step by Step Solution
- Step 1: Write the proportion equation
944,697.20 : 1,416,916.20 = 313,545.20 : x - Step 2: Convert to fraction form
944,697.20/1,416,916.20 = 313,545.20/x - Step 3: Cross multiply
944,697.20x = 1,416,916.20 × 313,545.20 - Step 4: Simplify right side
944,697.20x = 444,267,273,312.24 - Step 5: Solve for x
x = 444,267,273,312.24/944,697.20 - Step 6: Final answer
x = 470,274.79
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1.5x scale
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.