Finding the Fourth Proportional to 910,320.21, 1,365,656.49 and 349,311.09
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Solution
The fourth proportional to 910,320.21, 1,365,656.49 and 349,311.09 is: 524,034.24
Step by Step Solution
- Step 1: Write the proportion equation
910,320.21 : 1,365,656.49 = 349,311.09 : x - Step 2: Convert to fraction form
910,320.21/1,365,656.49 = 349,311.09/x - Step 3: Cross multiply
910,320.21x = 1,365,656.49 × 349,311.09 - Step 4: Simplify right side
910,320.21x = 477,038,957,087.47 - Step 5: Solve for x
x = 477,038,957,087.47/910,320.21 - Step 6: Final answer
x = 524,034.24
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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.