Finding the Fourth Proportional to 880,971.96, 1,215,452.12 and 493,730.76
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Solution
The fourth proportional to 880,971.96, 1,215,452.12 and 493,730.76 is: 681,186.38
Step by Step Solution
- Step 1: Write the proportion equation
880,971.96 : 1,215,452.12 = 493,730.76 : x - Step 2: Convert to fraction form
880,971.96/1,215,452.12 = 493,730.76/x - Step 3: Cross multiply
880,971.96x = 1,215,452.12 × 493,730.76 - Step 4: Simplify right side
880,971.96x = 600,106,098,951.21 - Step 5: Solve for x
x = 600,106,098,951.21/880,971.96 - Step 6: Final answer
x = 681,186.38
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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.