Finding the Fourth Proportional to 911,058.42, 1,257,270.12 and 503,170.62
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Solution
The fourth proportional to 911,058.42, 1,257,270.12 and 503,170.62 is: 694,380.70
Step by Step Solution
- Step 1: Write the proportion equation
911,058.42 : 1,257,270.12 = 503,170.62 : x - Step 2: Convert to fraction form
911,058.42/1,257,270.12 = 503,170.62/x - Step 3: Cross multiply
911,058.42x = 1,257,270.12 × 503,170.62 - Step 4: Simplify right side
911,058.42x = 632,621,385,787.87 - Step 5: Solve for x
x = 632,621,385,787.87/911,058.42 - Step 6: Final answer
x = 694,380.70
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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.