Finding the Fourth Proportional to 878,593.48, 1,316,385.74 and 479,514.27
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Solution
The fourth proportional to 878,593.48, 1,316,385.74 and 479,514.27 is: 718,450.31
Step by Step Solution
- Step 1: Write the proportion equation
878,593.48 : 1,316,385.74 = 479,514.27 : x - Step 2: Convert to fraction form
878,593.48/1,316,385.74 = 479,514.27/x - Step 3: Cross multiply
878,593.48x = 1,316,385.74 × 479,514.27 - Step 4: Simplify right side
878,593.48x = 631,225,753,289.74 - Step 5: Solve for x
x = 631,225,753,289.74/878,593.48 - Step 6: Final answer
x = 718,450.31
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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.