Finding the Fourth Proportional to 647,705.76, 893,845.44 and 361,195.08
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Solution
The fourth proportional to 647,705.76, 893,845.44 and 361,195.08 is: 498,455.62
Step by Step Solution
- Step 1: Write the proportion equation
647,705.76 : 893,845.44 = 361,195.08 : x - Step 2: Convert to fraction form
647,705.76/893,845.44 = 361,195.08/x - Step 3: Cross multiply
647,705.76x = 893,845.44 × 361,195.08 - Step 4: Simplify right side
647,705.76x = 322,852,575,208.44 - Step 5: Solve for x
x = 322,852,575,208.44/647,705.76 - Step 6: Final answer
x = 498,455.62
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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.