Finding the Fourth Proportional to 627,358.26, 865,759.68 and 340,878.35
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Solution
The fourth proportional to 627,358.26, 865,759.68 and 340,878.35 is: 470,414.99
Step by Step Solution
- Step 1: Write the proportion equation
627,358.26 : 865,759.68 = 340,878.35 : x - Step 2: Convert to fraction form
627,358.26/865,759.68 = 340,878.35/x - Step 3: Cross multiply
627,358.26x = 865,759.68 × 340,878.35 - Step 4: Simplify right side
627,358.26x = 295,118,726,886.13 - Step 5: Solve for x
x = 295,118,726,886.13/627,358.26 - Step 6: Final answer
x = 470,414.99
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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.