Finding the Fourth Proportional to 669,392.03, 923,532.89 and 427,813.99
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Solution
The fourth proportional to 669,392.03, 923,532.89 and 427,813.99 is: 590,237.51
Step by Step Solution
- Step 1: Write the proportion equation
669,392.03 : 923,532.89 = 427,813.99 : x - Step 2: Convert to fraction form
669,392.03/923,532.89 = 427,813.99/x - Step 3: Cross multiply
669,392.03x = 923,532.89 × 427,813.99 - Step 4: Simplify right side
669,392.03x = 395,100,286,119.23 - Step 5: Solve for x
x = 395,100,286,119.23/669,392.03 - Step 6: Final answer
x = 590,237.51
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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.