Finding the Fourth Proportional to 528,183.24, 791,880.84 and 317,771.88
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Solution
The fourth proportional to 528,183.24, 791,880.84 and 317,771.88 is: 476,420.77
Step by Step Solution
- Step 1: Write the proportion equation
528,183.24 : 791,880.84 = 317,771.88 : x - Step 2: Convert to fraction form
528,183.24/791,880.84 = 317,771.88/x - Step 3: Cross multiply
528,183.24x = 791,880.84 × 317,771.88 - Step 4: Simplify right side
528,183.24x = 251,637,463,262.78 - Step 5: Solve for x
x = 251,637,463,262.78/528,183.24 - Step 6: Final answer
x = 476,420.77
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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.