Finding the Fourth Proportional to 749,636.99, 1,124,454.65 and 244,197.15
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Solution
The fourth proportional to 749,636.99, 1,124,454.65 and 244,197.15 is: 366,295.45
Step by Step Solution
- Step 1: Write the proportion equation
749,636.99 : 1,124,454.65 = 244,197.15 : x - Step 2: Convert to fraction form
749,636.99/1,124,454.65 = 244,197.15/x - Step 3: Cross multiply
749,636.99x = 1,124,454.65 × 244,197.15 - Step 4: Simplify right side
749,636.99x = 274,588,619,613.26 - Step 5: Solve for x
x = 274,588,619,613.26/749,636.99 - Step 6: Final answer
x = 366,295.45
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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.