Finding the Fourth Proportional to 536,556.24, 739,707.74 and 428,028.93
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Solution
The fourth proportional to 536,556.24, 739,707.74 and 428,028.93 is: 590,089.70
Step by Step Solution
- Step 1: Write the proportion equation
536,556.24 : 739,707.74 = 428,028.93 : x - Step 2: Convert to fraction form
536,556.24/739,707.74 = 428,028.93/x - Step 3: Cross multiply
536,556.24x = 739,707.74 × 428,028.93 - Step 4: Simplify right side
536,556.24x = 316,616,311,929.88 - Step 5: Solve for x
x = 316,616,311,929.88/536,556.24 - Step 6: Final answer
x = 590,089.70
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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.