Finding the Fourth Proportional to 555,496.92, 766,648.13 and 313,795.08
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Solution
The fourth proportional to 555,496.92, 766,648.13 and 313,795.08 is: 433,072.45
Step by Step Solution
- Step 1: Write the proportion equation
555,496.92 : 766,648.13 = 313,795.08 : x - Step 2: Convert to fraction form
555,496.92/766,648.13 = 313,795.08/x - Step 3: Cross multiply
555,496.92x = 766,648.13 × 313,795.08 - Step 4: Simplify right side
555,496.92x = 240,570,409,716.23 - Step 5: Solve for x
x = 240,570,409,716.23/555,496.92 - Step 6: Final answer
x = 433,072.45
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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.