Finding the Fourth Proportional to 702,357.70, 969,258.13 and 411,910.06
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Solution
The fourth proportional to 702,357.70, 969,258.13 and 411,910.06 is: 568,438.52
Step by Step Solution
- Step 1: Write the proportion equation
702,357.70 : 969,258.13 = 411,910.06 : x - Step 2: Convert to fraction form
702,357.70/969,258.13 = 411,910.06/x - Step 3: Cross multiply
702,357.70x = 969,258.13 × 411,910.06 - Step 4: Simplify right side
702,357.70x = 399,247,172,424.24 - Step 5: Solve for x
x = 399,247,172,424.24/702,357.70 - Step 6: Final answer
x = 568,438.52
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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.