Finding the Fourth Proportional to 800,244.21, 1,104,321.49 and 437,666.95
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Solution
The fourth proportional to 800,244.21, 1,104,321.49 and 437,666.95 is: 603,971.90
Step by Step Solution
- Step 1: Write the proportion equation
800,244.21 : 1,104,321.49 = 437,666.95 : x - Step 2: Convert to fraction form
800,244.21/1,104,321.49 = 437,666.95/x - Step 3: Cross multiply
800,244.21x = 1,104,321.49 × 437,666.95 - Step 4: Simplify right side
800,244.21x = 483,325,018,347.76 - Step 5: Solve for x
x = 483,325,018,347.76/800,244.21 - Step 6: Final answer
x = 603,971.90
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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.