Finding the Fourth Proportional to 669,353.08, 923,365.02 and 427,381.24
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Solution
The fourth proportional to 669,353.08, 923,365.02 and 427,381.24 is: 589,567.60
Step by Step Solution
- Step 1: Write the proportion equation
669,353.08 : 923,365.02 = 427,381.24 : x - Step 2: Convert to fraction form
669,353.08/923,365.02 = 427,381.24/x - Step 3: Cross multiply
669,353.08x = 923,365.02 × 427,381.24 - Step 4: Simplify right side
669,353.08x = 394,628,887,220.23 - Step 5: Solve for x
x = 394,628,887,220.23/669,353.08 - Step 6: Final answer
x = 589,567.60
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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.