Finding the Fourth Proportional to 748,511.24, 1,123,606.16 and 299,545.05
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Solution
The fourth proportional to 748,511.24, 1,123,606.16 and 299,545.05 is: 449,653.45
Step by Step Solution
- Step 1: Write the proportion equation
748,511.24 : 1,123,606.16 = 299,545.05 : x - Step 2: Convert to fraction form
748,511.24/1,123,606.16 = 299,545.05/x - Step 3: Cross multiply
748,511.24x = 1,123,606.16 × 299,545.05 - Step 4: Simplify right side
748,511.24x = 336,570,663,003.08 - Step 5: Solve for x
x = 336,570,663,003.08/748,511.24 - Step 6: Final answer
x = 449,653.45
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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.