Finding the Fourth Proportional to 608,785.72, 840,125.26 and 336,865.08
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Solution
The fourth proportional to 608,785.72, 840,125.26 and 336,865.08 is: 464,874.35
Step by Step Solution
- Step 1: Write the proportion equation
608,785.72 : 840,125.26 = 336,865.08 : x - Step 2: Convert to fraction form
608,785.72/840,125.26 = 336,865.08/x - Step 3: Cross multiply
608,785.72x = 840,125.26 × 336,865.08 - Step 4: Simplify right side
608,785.72x = 283,008,862,919.92 - Step 5: Solve for x
x = 283,008,862,919.92/608,785.72 - Step 6: Final answer
x = 464,874.35
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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.