Finding the Fourth Proportional to 748,246.33, 1,122,535.34 and 215,725.80
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Solution
The fourth proportional to 748,246.33, 1,122,535.34 and 215,725.80 is: 323,636.51
Step by Step Solution
- Step 1: Write the proportion equation
748,246.33 : 1,122,535.34 = 215,725.80 : x - Step 2: Convert to fraction form
748,246.33/1,122,535.34 = 215,725.80/x - Step 3: Cross multiply
748,246.33x = 1,122,535.34 × 215,725.80 - Step 4: Simplify right side
748,246.33x = 242,159,834,249.77 - Step 5: Solve for x
x = 242,159,834,249.77/748,246.33 - Step 6: Final answer
x = 323,636.51
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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.