Finding the Fourth Proportional to 785,793.90, 1,084,399.91 and 459,126.09
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Solution
The fourth proportional to 785,793.90, 1,084,399.91 and 459,126.09 is: 633,596.53
Step by Step Solution
- Step 1: Write the proportion equation
785,793.90 : 1,084,399.91 = 459,126.09 : x - Step 2: Convert to fraction form
785,793.90/1,084,399.91 = 459,126.09/x - Step 3: Cross multiply
785,793.90x = 1,084,399.91 × 459,126.09 - Step 4: Simplify right side
785,793.90x = 497,876,290,674.65 - Step 5: Solve for x
x = 497,876,290,674.65/785,793.90 - Step 6: Final answer
x = 633,596.53
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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.