Finding the Fourth Proportional to 783,882, 1,081,725.84 and 461,605.68
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Solution
The fourth proportional to 783,882, 1,081,725.84 and 461,605.68 is: 636,997.39
Step by Step Solution
- Step 1: Write the proportion equation
783,882 : 1,081,725.84 = 461,605.68 : x - Step 2: Convert to fraction form
783,882/1,081,725.84 = 461,605.68/x - Step 3: Cross multiply
783,882x = 1,081,725.84 × 461,605.68 - Step 4: Simplify right side
783,882x = 499,330,791,946.77 - Step 5: Solve for x
x = 499,330,791,946.77/783,882 - Step 6: Final answer
x = 636,997.39
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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.