Finding the Fourth Proportional to 604,979.40, 908,029.20 and 305,670.62
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Solution
The fourth proportional to 604,979.40, 908,029.20 and 305,670.62 is: 458,788.92
Step by Step Solution
- Step 1: Write the proportion equation
604,979.40 : 908,029.20 = 305,670.62 : x - Step 2: Convert to fraction form
604,979.40/908,029.20 = 305,670.62/x - Step 3: Cross multiply
604,979.40x = 908,029.20 × 305,670.62 - Step 4: Simplify right side
604,979.40x = 277,557,848,542.10 - Step 5: Solve for x
x = 277,557,848,542.10/604,979.40 - Step 6: Final answer
x = 458,788.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.