Finding the Fourth Proportional to 880,752.44, 1,215,440.72 and 518,189.96
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Solution
The fourth proportional to 880,752.44, 1,215,440.72 and 518,189.96 is: 715,103.53
Step by Step Solution
- Step 1: Write the proportion equation
880,752.44 : 1,215,440.72 = 518,189.96 : x - Step 2: Convert to fraction form
880,752.44/1,215,440.72 = 518,189.96/x - Step 3: Cross multiply
880,752.44x = 1,215,440.72 × 518,189.96 - Step 4: Simplify right side
880,752.44x = 629,829,178,079.17 - Step 5: Solve for x
x = 629,829,178,079.17/880,752.44 - Step 6: Final answer
x = 715,103.53
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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.