Finding the Fourth Proportional to 767,247.99, 1,058,763.74 and 427,650.63
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Solution
The fourth proportional to 767,247.99, 1,058,763.74 and 427,650.63 is: 590,136.42
Step by Step Solution
- Step 1: Write the proportion equation
767,247.99 : 1,058,763.74 = 427,650.63 : x - Step 2: Convert to fraction form
767,247.99/1,058,763.74 = 427,650.63/x - Step 3: Cross multiply
767,247.99x = 1,058,763.74 × 427,650.63 - Step 4: Simplify right side
767,247.99x = 452,780,978,293.90 - Step 5: Solve for x
x = 452,780,978,293.90/767,247.99 - Step 6: Final answer
x = 590,136.42
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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.