Finding the Fourth Proportional to 749,694.18, 1,124,541.54 and 217,215.58
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Solution
The fourth proportional to 749,694.18, 1,124,541.54 and 217,215.58 is: 325,823.45
Step by Step Solution
- Step 1: Write the proportion equation
749,694.18 : 1,124,541.54 = 217,215.58 : x - Step 2: Convert to fraction form
749,694.18/1,124,541.54 = 217,215.58/x - Step 3: Cross multiply
749,694.18x = 1,124,541.54 × 217,215.58 - Step 4: Simplify right side
749,694.18x = 244,267,942,845.19 - Step 5: Solve for x
x = 244,267,942,845.19/749,694.18 - Step 6: Final answer
x = 325,823.45
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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.