Finding the Fourth Proportional to 729,371.08, 1,094,545.32 and 256,057.84
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Solution
The fourth proportional to 729,371.08, 1,094,545.32 and 256,057.84 is: 384,258.33
Step by Step Solution
- Step 1: Write the proportion equation
729,371.08 : 1,094,545.32 = 256,057.84 : x - Step 2: Convert to fraction form
729,371.08/1,094,545.32 = 256,057.84/x - Step 3: Cross multiply
729,371.08x = 1,094,545.32 × 256,057.84 - Step 4: Simplify right side
729,371.08x = 280,266,910,421.31 - Step 5: Solve for x
x = 280,266,910,421.31/729,371.08 - Step 6: Final answer
x = 384,258.33
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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.