Finding the Fourth Proportional to 920,650.24, 1,381,300.98 and 321,776.74
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Solution
The fourth proportional to 920,650.24, 1,381,300.98 and 321,776.74 is: 482,778.92
Step by Step Solution
- Step 1: Write the proportion equation
920,650.24 : 1,381,300.98 = 321,776.74 : x - Step 2: Convert to fraction form
920,650.24/1,381,300.98 = 321,776.74/x - Step 3: Cross multiply
920,650.24x = 1,381,300.98 × 321,776.74 - Step 4: Simplify right side
920,650.24x = 444,470,526,303.21 - Step 5: Solve for x
x = 444,470,526,303.21/920,650.24 - Step 6: Final answer
x = 482,778.92
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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.