Finding the Fourth Proportional to 633,506.87, 874,239.64 and 347,037.14
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Solution
The fourth proportional to 633,506.87, 874,239.64 and 347,037.14 is: 478,911.34
Step by Step Solution
- Step 1: Write the proportion equation
633,506.87 : 874,239.64 = 347,037.14 : x - Step 2: Convert to fraction form
633,506.87/874,239.64 = 347,037.14/x - Step 3: Cross multiply
633,506.87x = 874,239.64 × 347,037.14 - Step 4: Simplify right side
633,506.87x = 303,393,620,419.45 - Step 5: Solve for x
x = 303,393,620,419.45/633,506.87 - Step 6: Final answer
x = 478,911.34
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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.