Finding the Fourth Proportional to 560,803.21, 773,904.49 and 306,154.40
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Solution
The fourth proportional to 560,803.21, 773,904.49 and 306,154.40 is: 422,490.92
Step by Step Solution
- Step 1: Write the proportion equation
560,803.21 : 773,904.49 = 306,154.40 : x - Step 2: Convert to fraction form
560,803.21/773,904.49 = 306,154.40/x - Step 3: Cross multiply
560,803.21x = 773,904.49 × 306,154.40 - Step 4: Simplify right side
560,803.21x = 236,934,264,793.26 - Step 5: Solve for x
x = 236,934,264,793.26/560,803.21 - Step 6: Final answer
x = 422,490.92
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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.