Finding the Fourth Proportional to 792,711.95, 1,094,226.17 and 470,421.99
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Solution
The fourth proportional to 792,711.95, 1,094,226.17 and 470,421.99 is: 649,350.69
Step by Step Solution
- Step 1: Write the proportion equation
792,711.95 : 1,094,226.17 = 470,421.99 : x - Step 2: Convert to fraction form
792,711.95/1,094,226.17 = 470,421.99/x - Step 3: Cross multiply
792,711.95x = 1,094,226.17 × 470,421.99 - Step 4: Simplify right side
792,711.95x = 514,748,050,049.37 - Step 5: Solve for x
x = 514,748,050,049.37/792,711.95 - Step 6: Final answer
x = 649,350.69
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1.5x scale
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.