Finding the Fourth Proportional to 709,408.80, 1,064,122.56 and 236,094.24
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Solution
The fourth proportional to 709,408.80, 1,064,122.56 and 236,094.24 is: 354,144.48
Step by Step Solution
- Step 1: Write the proportion equation
709,408.80 : 1,064,122.56 = 236,094.24 : x - Step 2: Convert to fraction form
709,408.80/1,064,122.56 = 236,094.24/x - Step 3: Cross multiply
709,408.80x = 1,064,122.56 × 236,094.24 - Step 4: Simplify right side
709,408.80x = 251,233,207,070.05 - Step 5: Solve for x
x = 251,233,207,070.05/709,408.80 - Step 6: Final answer
x = 354,144.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.