Finding the Fourth Proportional to 554,905.27, 765,769.71 and 385,237.81
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Solution
The fourth proportional to 554,905.27, 765,769.71 and 385,237.81 is: 531,628.48
Step by Step Solution
- Step 1: Write the proportion equation
554,905.27 : 765,769.71 = 385,237.81 : x - Step 2: Convert to fraction form
554,905.27/765,769.71 = 385,237.81/x - Step 3: Cross multiply
554,905.27x = 765,769.71 × 385,237.81 - Step 4: Simplify right side
554,905.27x = 295,003,446,044.74 - Step 5: Solve for x
x = 295,003,446,044.74/554,905.27 - Step 6: Final answer
x = 531,628.48
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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.