Finding the Fourth Proportional to 578,668.11, 798,432.84 and 349,262.61
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Solution
The fourth proportional to 578,668.11, 798,432.84 and 349,262.61 is: 481,904.45
Step by Step Solution
- Step 1: Write the proportion equation
578,668.11 : 798,432.84 = 349,262.61 : x - Step 2: Convert to fraction form
578,668.11/798,432.84 = 349,262.61/x - Step 3: Cross multiply
578,668.11x = 798,432.84 × 349,262.61 - Step 4: Simplify right side
578,668.11x = 278,862,737,608.11 - Step 5: Solve for x
x = 278,862,737,608.11/578,668.11 - Step 6: Final answer
x = 481,904.45
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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.