Finding the Fourth Proportional to 800,272.96, 1,104,331.44 and 437,624.80
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Solution
The fourth proportional to 800,272.96, 1,104,331.44 and 437,624.80 is: 603,897.48
Step by Step Solution
- Step 1: Write the proportion equation
800,272.96 : 1,104,331.44 = 437,624.80 : x - Step 2: Convert to fraction form
800,272.96/1,104,331.44 = 437,624.80/x - Step 3: Cross multiply
800,272.96x = 1,104,331.44 × 437,624.80 - Step 4: Simplify right side
800,272.96x = 483,282,825,563.71 - Step 5: Solve for x
x = 483,282,825,563.71/800,272.96 - Step 6: Final answer
x = 603,897.48
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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.