Finding the Fourth Proportional to 535,427.68, 738,910.74 and 293,720.44
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Solution
The fourth proportional to 535,427.68, 738,910.74 and 293,720.44 is: 405,345.48
Step by Step Solution
- Step 1: Write the proportion equation
535,427.68 : 738,910.74 = 293,720.44 : x - Step 2: Convert to fraction form
535,427.68/738,910.74 = 293,720.44/x - Step 3: Cross multiply
535,427.68x = 738,910.74 × 293,720.44 - Step 4: Simplify right side
535,427.68x = 217,033,187,673.53 - Step 5: Solve for x
x = 217,033,187,673.53/535,427.68 - Step 6: Final answer
x = 405,345.48
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1.5x scale
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.