Finding the Fourth Proportional to 800,115.68, 1,104,159.60 and 437,539.79
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Solution
The fourth proportional to 800,115.68, 1,104,159.60 and 437,539.79 is: 603,804.89
Step by Step Solution
- Step 1: Write the proportion equation
800,115.68 : 1,104,159.60 = 437,539.79 : x - Step 2: Convert to fraction form
800,115.68/1,104,159.60 = 437,539.79/x - Step 3: Cross multiply
800,115.68x = 1,104,159.60 × 437,539.79 - Step 4: Simplify right side
800,115.68x = 483,113,753,989.69 - Step 5: Solve for x
x = 483,113,753,989.69/800,115.68 - Step 6: Final answer
x = 603,804.89
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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.