Finding the Fourth Proportional to 512,750.22, 706,995.11 and 349,503.38
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Solution
The fourth proportional to 512,750.22, 706,995.11 and 349,503.38 is: 481,905.56
Step by Step Solution
- Step 1: Write the proportion equation
512,750.22 : 706,995.11 = 349,503.38 : x - Step 2: Convert to fraction form
512,750.22/706,995.11 = 349,503.38/x - Step 3: Cross multiply
512,750.22x = 706,995.11 × 349,503.38 - Step 4: Simplify right side
512,750.22x = 247,097,180,588.47 - Step 5: Solve for x
x = 247,097,180,588.47/512,750.22 - Step 6: Final answer
x = 481,905.56
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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.