Finding the Fourth Proportional to 872,670.84, 1,204,241.76 and 490,674.84
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Solution
The fourth proportional to 872,670.84, 1,204,241.76 and 490,674.84 is: 677,106.54
Step by Step Solution
- Step 1: Write the proportion equation
872,670.84 : 1,204,241.76 = 490,674.84 : x - Step 2: Convert to fraction form
872,670.84/1,204,241.76 = 490,674.84/x - Step 3: Cross multiply
872,670.84x = 1,204,241.76 × 490,674.84 - Step 4: Simplify right side
872,670.84x = 590,891,132,909.32 - Step 5: Solve for x
x = 590,891,132,909.32/872,670.84 - Step 6: Final answer
x = 677,106.54
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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.