Finding the Fourth Proportional to 536,588.11, 740,330.11 and 321,649.75
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Solution
The fourth proportional to 536,588.11, 740,330.11 and 321,649.75 is: 443,779.86
Step by Step Solution
- Step 1: Write the proportion equation
536,588.11 : 740,330.11 = 321,649.75 : x - Step 2: Convert to fraction form
536,588.11/740,330.11 = 321,649.75/x - Step 3: Cross multiply
536,588.11x = 740,330.11 × 321,649.75 - Step 4: Simplify right side
536,588.11x = 238,126,994,798.97 - Step 5: Solve for x
x = 238,126,994,798.97/536,588.11 - Step 6: Final answer
x = 443,779.86
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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.