Finding the Fourth Proportional to 577,107.57, 796,404.11 and 319,001.48
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Solution
The fourth proportional to 577,107.57, 796,404.11 and 319,001.48 is: 440,219.65
Step by Step Solution
- Step 1: Write the proportion equation
577,107.57 : 796,404.11 = 319,001.48 : x - Step 2: Convert to fraction form
577,107.57/796,404.11 = 319,001.48/x - Step 3: Cross multiply
577,107.57x = 796,404.11 × 319,001.48 - Step 4: Simplify right side
577,107.57x = 254,054,089,768.08 - Step 5: Solve for x
x = 254,054,089,768.08/577,107.57 - Step 6: Final answer
x = 440,219.65
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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.