Finding the Fourth Proportional to 812,081.35, 1,120,414.63 and 472,483.99
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Solution
The fourth proportional to 812,081.35, 1,120,414.63 and 472,483.99 is: 651,878.01
Step by Step Solution
- Step 1: Write the proportion equation
812,081.35 : 1,120,414.63 = 472,483.99 : x - Step 2: Convert to fraction form
812,081.35/1,120,414.63 = 472,483.99/x - Step 3: Cross multiply
812,081.35x = 1,120,414.63 × 472,483.99 - Step 4: Simplify right side
812,081.35x = 529,377,968,053.49 - Step 5: Solve for x
x = 529,377,968,053.49/812,081.35 - Step 6: Final answer
x = 651,878.01
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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.