Finding the Fourth Proportional to 606,979.19, 837,627.21 and 331,335.95
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Solution
The fourth proportional to 606,979.19, 837,627.21 and 331,335.95 is: 457,241.38
Step by Step Solution
- Step 1: Write the proportion equation
606,979.19 : 837,627.21 = 331,335.95 : x - Step 2: Convert to fraction form
606,979.19/837,627.21 = 331,335.95/x - Step 3: Cross multiply
606,979.19x = 837,627.21 × 331,335.95 - Step 4: Simplify right side
606,979.19x = 277,536,003,183.06 - Step 5: Solve for x
x = 277,536,003,183.06/606,979.19 - Step 6: Final answer
x = 457,241.38
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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.