Finding the Fourth Proportional to 740,080.97, 1,021,336.49 and 453,545.70
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Solution
The fourth proportional to 740,080.97, 1,021,336.49 and 453,545.70 is: 625,908.23
Step by Step Solution
- Step 1: Write the proportion equation
740,080.97 : 1,021,336.49 = 453,545.70 : x - Step 2: Convert to fraction form
740,080.97/1,021,336.49 = 453,545.70/x - Step 3: Cross multiply
740,080.97x = 1,021,336.49 × 453,545.70 - Step 4: Simplify right side
740,080.97x = 463,222,770,596.45 - Step 5: Solve for x
x = 463,222,770,596.45/740,080.97 - Step 6: Final answer
x = 625,908.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.