Finding the Fourth Proportional to 556,450.23, 767,918.70 and 314,728.08
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Solution
The fourth proportional to 556,450.23, 767,918.70 and 314,728.08 is: 434,334.58
Step by Step Solution
- Step 1: Write the proportion equation
556,450.23 : 767,918.70 = 314,728.08 : x - Step 2: Convert to fraction form
556,450.23/767,918.70 = 314,728.08/x - Step 3: Cross multiply
556,450.23x = 767,918.70 × 314,728.08 - Step 4: Simplify right side
556,450.23x = 241,685,574,207.50 - Step 5: Solve for x
x = 241,685,574,207.50/556,450.23 - Step 6: Final answer
x = 434,334.58
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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.