Finding the Fourth Proportional to 416,718.10, 624,683.46 and 378,533.08
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Solution
The fourth proportional to 416,718.10, 624,683.46 and 378,533.08 is: 567,442.00
Step by Step Solution
- Step 1: Write the proportion equation
416,718.10 : 624,683.46 = 378,533.08 : x - Step 2: Convert to fraction form
416,718.10/624,683.46 = 378,533.08/x - Step 3: Cross multiply
416,718.10x = 624,683.46 × 378,533.08 - Step 4: Simplify right side
416,718.10x = 236,463,354,138.86 - Step 5: Solve for x
x = 236,463,354,138.86/416,718.10 - Step 6: Final answer
x = 567,442.00
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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.