Finding the Fourth Proportional to 785,789.90, 1,084,394.39 and 459,122.09
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Solution
The fourth proportional to 785,789.90, 1,084,394.39 and 459,122.09 is: 633,591.02
Step by Step Solution
- Step 1: Write the proportion equation
785,789.90 : 1,084,394.39 = 459,122.09 : x - Step 2: Convert to fraction form
785,789.90/1,084,394.39 = 459,122.09/x - Step 3: Cross multiply
785,789.90x = 1,084,394.39 × 459,122.09 - Step 4: Simplify right side
785,789.90x = 497,869,422,295.97 - Step 5: Solve for x
x = 497,869,422,295.97/785,789.90 - Step 6: Final answer
x = 633,591.02
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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.