Finding the Fourth Proportional to 872,668.84, 1,204,239 and 490,672.84
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Solution
The fourth proportional to 872,668.84, 1,204,239 and 490,672.84 is: 677,103.78
Step by Step Solution
- Step 1: Write the proportion equation
872,668.84 : 1,204,239 = 490,672.84 : x - Step 2: Convert to fraction form
872,668.84/1,204,239 = 490,672.84/x - Step 3: Cross multiply
872,668.84x = 1,204,239 × 490,672.84 - Step 4: Simplify right side
872,668.84x = 590,887,370,168.76 - Step 5: Solve for x
x = 590,887,370,168.76/872,668.84 - Step 6: Final answer
x = 677,103.78
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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.