Finding the Fourth Proportional to 688,416.68, 1,032,224.05 and 267,200.48
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Solution
The fourth proportional to 688,416.68, 1,032,224.05 and 267,200.48 is: 400,645.09
Step by Step Solution
- Step 1: Write the proportion equation
688,416.68 : 1,032,224.05 = 267,200.48 : x - Step 2: Convert to fraction form
688,416.68/1,032,224.05 = 267,200.48/x - Step 3: Cross multiply
688,416.68x = 1,032,224.05 × 267,200.48 - Step 4: Simplify right side
688,416.68x = 275,810,761,627.54 - Step 5: Solve for x
x = 275,810,761,627.54/688,416.68 - Step 6: Final answer
x = 400,645.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.