Finding the Fourth Proportional to 568,005.42, 783,847.44 and 313,356.60
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Solution
The fourth proportional to 568,005.42, 783,847.44 and 313,356.60 is: 432,432.09
Step by Step Solution
- Step 1: Write the proportion equation
568,005.42 : 783,847.44 = 313,356.60 : x - Step 2: Convert to fraction form
568,005.42/783,847.44 = 313,356.60/x - Step 3: Cross multiply
568,005.42x = 783,847.44 × 313,356.60 - Step 4: Simplify right side
568,005.42x = 245,623,768,717.10 - Step 5: Solve for x
x = 245,623,768,717.10/568,005.42 - Step 6: Final answer
x = 432,432.09
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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.