Finding the Fourth Proportional to 560,822.28, 773,905.45 and 306,124.26
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Solution
The fourth proportional to 560,822.28, 773,905.45 and 306,124.26 is: 422,435.49
Step by Step Solution
- Step 1: Write the proportion equation
560,822.28 : 773,905.45 = 306,124.26 : x - Step 2: Convert to fraction form
560,822.28/773,905.45 = 306,124.26/x - Step 3: Cross multiply
560,822.28x = 773,905.45 × 306,124.26 - Step 4: Simplify right side
560,822.28x = 236,911,233,191.22 - Step 5: Solve for x
x = 236,911,233,191.22/560,822.28 - Step 6: Final answer
x = 422,435.49
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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.