Finding the Fourth Proportional to 841,211.55, 1,261,746.18 and 272,580.57
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Solution
The fourth proportional to 841,211.55, 1,261,746.18 and 272,580.57 is: 408,847.80
Step by Step Solution
- Step 1: Write the proportion equation
841,211.55 : 1,261,746.18 = 272,580.57 : x - Step 2: Convert to fraction form
841,211.55/1,261,746.18 = 272,580.57/x - Step 3: Cross multiply
841,211.55x = 1,261,746.18 × 272,580.57 - Step 4: Simplify right side
841,211.55x = 343,927,492,939.72 - Step 5: Solve for x
x = 343,927,492,939.72/841,211.55 - Step 6: Final answer
x = 408,847.80
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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.