Finding the Fourth Proportional to 605,915.84, 836,029.14 and 347,776.94
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Solution
The fourth proportional to 605,915.84, 836,029.14 and 347,776.94 is: 479,854.85
Step by Step Solution
- Step 1: Write the proportion equation
605,915.84 : 836,029.14 = 347,776.94 : x - Step 2: Convert to fraction form
605,915.84/836,029.14 = 347,776.94/x - Step 3: Cross multiply
605,915.84x = 836,029.14 × 347,776.94 - Step 4: Simplify right side
605,915.84x = 290,751,656,060.03 - Step 5: Solve for x
x = 290,751,656,060.03/605,915.84 - Step 6: Final answer
x = 479,854.85
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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.