Finding the Fourth Proportional to 556,273.99, 767,673.20 and 314,592.70
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Solution
The fourth proportional to 556,273.99, 767,673.20 and 314,592.70 is: 434,146.46
Step by Step Solution
- Step 1: Write the proportion equation
556,273.99 : 767,673.20 = 314,592.70 : x - Step 2: Convert to fraction form
556,273.99/767,673.20 = 314,592.70/x - Step 3: Cross multiply
556,273.99x = 767,673.20 × 314,592.70 - Step 4: Simplify right side
556,273.99x = 241,504,384,705.64 - Step 5: Solve for x
x = 241,504,384,705.64/556,273.99 - Step 6: Final answer
x = 434,146.46
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1.5x scale
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.