Finding the Fourth Proportional to 553,774.44, 764,208.75 and 299,125.62
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Solution
The fourth proportional to 553,774.44, 764,208.75 and 299,125.62 is: 412,793.37
Step by Step Solution
- Step 1: Write the proportion equation
553,774.44 : 764,208.75 = 299,125.62 : x - Step 2: Convert to fraction form
553,774.44/764,208.75 = 299,125.62/x - Step 3: Cross multiply
553,774.44x = 764,208.75 × 299,125.62 - Step 4: Simplify right side
553,774.44x = 228,594,416,153.18 - Step 5: Solve for x
x = 228,594,416,153.18/553,774.44 - Step 6: Final answer
x = 412,793.37
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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.