Finding the Fourth Proportional to 647,702.76, 893,841.30 and 361,192.08
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Solution
The fourth proportional to 647,702.76, 893,841.30 and 361,192.08 is: 498,451.48
Step by Step Solution
- Step 1: Write the proportion equation
647,702.76 : 893,841.30 = 361,192.08 : x - Step 2: Convert to fraction form
647,702.76/893,841.30 = 361,192.08/x - Step 3: Cross multiply
647,702.76x = 893,841.30 × 361,192.08 - Step 4: Simplify right side
647,702.76x = 322,848,398,336.90 - Step 5: Solve for x
x = 322,848,398,336.90/647,702.76 - Step 6: Final answer
x = 498,451.48
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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.