Finding the Fourth Proportional to 767,249.49, 1,058,765.81 and 427,652.13
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Solution
The fourth proportional to 767,249.49, 1,058,765.81 and 427,652.13 is: 590,138.49
Step by Step Solution
- Step 1: Write the proportion equation
767,249.49 : 1,058,765.81 = 427,652.13 : x - Step 2: Convert to fraction form
767,249.49/1,058,765.81 = 427,652.13/x - Step 3: Cross multiply
767,249.49x = 1,058,765.81 × 427,652.13 - Step 4: Simplify right side
767,249.49x = 452,783,451,679.42 - Step 5: Solve for x
x = 452,783,451,679.42/767,249.49 - Step 6: Final answer
x = 590,138.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.