Finding the Fourth Proportional to 901,615.68, 1,244,227.68 and 519,639.84
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Solution
The fourth proportional to 901,615.68, 1,244,227.68 and 519,639.84 is: 717,101.85
Step by Step Solution
- Step 1: Write the proportion equation
901,615.68 : 1,244,227.68 = 519,639.84 : x - Step 2: Convert to fraction form
901,615.68/1,244,227.68 = 519,639.84/x - Step 3: Cross multiply
901,615.68x = 1,244,227.68 × 519,639.84 - Step 4: Simplify right side
901,615.68x = 646,550,272,558.77 - Step 5: Solve for x
x = 646,550,272,558.77/901,615.68 - Step 6: Final answer
x = 717,101.85
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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.