Finding the Fourth Proportional to 541,712.84, 812,707.50 and 343,442.12
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Solution
The fourth proportional to 541,712.84, 812,707.50 and 343,442.12 is: 515,250.82
Step by Step Solution
- Step 1: Write the proportion equation
541,712.84 : 812,707.50 = 343,442.12 : x - Step 2: Convert to fraction form
541,712.84/812,707.50 = 343,442.12/x - Step 3: Cross multiply
541,712.84x = 812,707.50 × 343,442.12 - Step 4: Simplify right side
541,712.84x = 279,117,986,739.90 - Step 5: Solve for x
x = 279,117,986,739.90/541,712.84 - Step 6: Final answer
x = 515,250.82
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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.