Finding the Fourth Proportional to 397,313.88, 592,228.01 and 365,427.42
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Solution
The fourth proportional to 397,313.88, 592,228.01 and 365,427.42 is: 544,698.70
Step by Step Solution
- Step 1: Write the proportion equation
397,313.88 : 592,228.01 = 365,427.42 : x - Step 2: Convert to fraction form
397,313.88/592,228.01 = 365,427.42/x - Step 3: Cross multiply
397,313.88x = 592,228.01 × 365,427.42 - Step 4: Simplify right side
397,313.88x = 216,416,353,746.03 - Step 5: Solve for x
x = 216,416,353,746.03/397,313.88 - Step 6: Final answer
x = 544,698.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.