Finding the Fourth Proportional to 570,092.08, 786,727.14 and 311,969.08
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Solution
The fourth proportional to 570,092.08, 786,727.14 and 311,969.08 is: 430,517.37
Step by Step Solution
- Step 1: Write the proportion equation
570,092.08 : 786,727.14 = 311,969.08 : x - Step 2: Convert to fraction form
570,092.08/786,727.14 = 311,969.08/x - Step 3: Cross multiply
570,092.08x = 786,727.14 × 311,969.08 - Step 4: Simplify right side
570,092.08x = 245,434,542,076.83 - Step 5: Solve for x
x = 245,434,542,076.83/570,092.08 - Step 6: Final answer
x = 430,517.37
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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.