Finding the Fourth Proportional to 535,679.43, 739,246.68 and 293,984.49
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Solution
The fourth proportional to 535,679.43, 739,246.68 and 293,984.49 is: 405,703.58
Step by Step Solution
- Step 1: Write the proportion equation
535,679.43 : 739,246.68 = 293,984.49 : x - Step 2: Convert to fraction form
535,679.43/739,246.68 = 293,984.49/x - Step 3: Cross multiply
535,679.43x = 739,246.68 × 293,984.49 - Step 4: Simplify right side
535,679.43x = 217,327,058,203.99 - Step 5: Solve for x
x = 217,327,058,203.99/535,679.43 - Step 6: Final answer
x = 405,703.58
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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.