Finding the Fourth Proportional to 556,556.53, 768,048.26 and 314,833.95
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Solution
The fourth proportional to 556,556.53, 768,048.26 and 314,833.95 is: 434,470.99
Step by Step Solution
- Step 1: Write the proportion equation
556,556.53 : 768,048.26 = 314,833.95 : x - Step 2: Convert to fraction form
556,556.53/768,048.26 = 314,833.95/x - Step 3: Cross multiply
556,556.53x = 768,048.26 × 314,833.95 - Step 4: Simplify right side
556,556.53x = 241,807,667,486.43 - Step 5: Solve for x
x = 241,807,667,486.43/556,556.53 - Step 6: Final answer
x = 434,470.99
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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.