Finding the Fourth Proportional to 506,480.92, 759,383.91 and 278,883.74
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Solution
The fourth proportional to 506,480.92, 759,383.91 and 278,883.74 is: 418,139.79
Step by Step Solution
- Step 1: Write the proportion equation
506,480.92 : 759,383.91 = 278,883.74 : x - Step 2: Convert to fraction form
506,480.92/759,383.91 = 278,883.74/x - Step 3: Cross multiply
506,480.92x = 759,383.91 × 278,883.74 - Step 4: Simplify right side
506,480.92x = 211,779,826,815.08 - Step 5: Solve for x
x = 211,779,826,815.08/506,480.92 - Step 6: Final answer
x = 418,139.79
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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.