Finding the Fourth Proportional to 749,698.05, 1,124,605.40 and 217,226.73
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Solution
The fourth proportional to 749,698.05, 1,124,605.40 and 217,226.73 is: 325,856.99
Step by Step Solution
- Step 1: Write the proportion equation
749,698.05 : 1,124,605.40 = 217,226.73 : x - Step 2: Convert to fraction form
749,698.05/1,124,605.40 = 217,226.73/x - Step 3: Cross multiply
749,698.05x = 1,124,605.40 × 217,226.73 - Step 4: Simplify right side
749,698.05x = 244,294,352,496.21 - Step 5: Solve for x
x = 244,294,352,496.21/749,698.05 - Step 6: Final answer
x = 325,856.99
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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.