Finding the Fourth Proportional to 767,336.97, 1,058,927.13 and 423,164.37
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Solution
The fourth proportional to 767,336.97, 1,058,927.13 and 423,164.37 is: 583,967.99
Step by Step Solution
- Step 1: Write the proportion equation
767,336.97 : 1,058,927.13 = 423,164.37 : x - Step 2: Convert to fraction form
767,336.97/1,058,927.13 = 423,164.37/x - Step 3: Cross multiply
767,336.97x = 1,058,927.13 × 423,164.37 - Step 4: Simplify right side
767,336.97x = 448,100,231,842.36 - Step 5: Solve for x
x = 448,100,231,842.36/767,336.97 - Step 6: Final answer
x = 583,967.99
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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.