Finding the Fourth Proportional to 809,302.08, 1,116,836.69 and 446,725.84
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Solution
The fourth proportional to 809,302.08, 1,116,836.69 and 446,725.84 is: 616,481.56
Step by Step Solution
- Step 1: Write the proportion equation
809,302.08 : 1,116,836.69 = 446,725.84 : x - Step 2: Convert to fraction form
809,302.08/1,116,836.69 = 446,725.84/x - Step 3: Cross multiply
809,302.08x = 1,116,836.69 × 446,725.84 - Step 4: Simplify right side
809,302.08x = 498,919,808,483.07 - Step 5: Solve for x
x = 498,919,808,483.07/809,302.08 - Step 6: Final answer
x = 616,481.56
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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.