Finding the Fourth Proportional to 767,248.99, 1,058,765.11 and 427,651.63
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Solution
The fourth proportional to 767,248.99, 1,058,765.11 and 427,651.63 is: 590,137.79
Step by Step Solution
- Step 1: Write the proportion equation
767,248.99 : 1,058,765.11 = 427,651.63 : x - Step 2: Convert to fraction form
767,248.99/1,058,765.11 = 427,651.63/x - Step 3: Cross multiply
767,248.99x = 1,058,765.11 × 427,651.63 - Step 4: Simplify right side
767,248.99x = 452,782,625,078.63 - Step 5: Solve for x
x = 452,782,625,078.63/767,248.99 - Step 6: Final answer
x = 590,137.79
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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.