Finding the Fourth Proportional to 669,330.58, 923,671.08 and 363,400.93
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Solution
The fourth proportional to 669,330.58, 923,671.08 and 363,400.93 is: 501,490.50
Step by Step Solution
- Step 1: Write the proportion equation
669,330.58 : 923,671.08 = 363,400.93 : x - Step 2: Convert to fraction form
669,330.58/923,671.08 = 363,400.93/x - Step 3: Cross multiply
669,330.58x = 923,671.08 × 363,400.93 - Step 4: Simplify right side
669,330.58x = 335,662,929,486.10 - Step 5: Solve for x
x = 335,662,929,486.10/669,330.58 - Step 6: Final answer
x = 501,490.50
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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.