Finding the Fourth Proportional to 669,218.24, 923,509.68 and 367,410.08
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Solution
The fourth proportional to 669,218.24, 923,509.68 and 367,410.08 is: 507,019.60
Step by Step Solution
- Step 1: Write the proportion equation
669,218.24 : 923,509.68 = 367,410.08 : x - Step 2: Convert to fraction form
669,218.24/923,509.68 = 367,410.08/x - Step 3: Cross multiply
669,218.24x = 923,509.68 × 367,410.08 - Step 4: Simplify right side
669,218.24x = 339,306,765,409.57 - Step 5: Solve for x
x = 339,306,765,409.57/669,218.24 - Step 6: Final answer
x = 507,019.60
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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.