Finding the Fourth Proportional to 669,056.60, 923,298.57 and 363,132.99
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Solution
The fourth proportional to 669,056.60, 923,298.57 and 363,132.99 is: 501,123.78
Step by Step Solution
- Step 1: Write the proportion equation
669,056.60 : 923,298.57 = 363,132.99 : x - Step 2: Convert to fraction form
669,056.60/923,298.57 = 363,132.99/x - Step 3: Cross multiply
669,056.60x = 923,298.57 × 363,132.99 - Step 4: Simplify right side
669,056.60x = 335,280,170,386.82 - Step 5: Solve for x
x = 335,280,170,386.82/669,056.60 - Step 6: Final answer
x = 501,123.78
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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.