Finding the Fourth Proportional to 838,433.10, 1,157,058.48 and 456,480.84
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Solution
The fourth proportional to 838,433.10, 1,157,058.48 and 456,480.84 is: 629,954.88
Step by Step Solution
- Step 1: Write the proportion equation
838,433.10 : 1,157,058.48 = 456,480.84 : x - Step 2: Convert to fraction form
838,433.10/1,157,058.48 = 456,480.84/x - Step 3: Cross multiply
838,433.10x = 1,157,058.48 × 456,480.84 - Step 4: Simplify right side
838,433.10x = 528,175,026,879.52 - Step 5: Solve for x
x = 528,175,026,879.52/838,433.10 - Step 6: Final answer
x = 629,954.88
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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.