Finding the Fourth Proportional to 663,456.36, 994,595.16 and 258,554.88
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Solution
The fourth proportional to 663,456.36, 994,595.16 and 258,554.88 is: 387,602.63
Step by Step Solution
- Step 1: Write the proportion equation
663,456.36 : 994,595.16 = 258,554.88 : x - Step 2: Convert to fraction form
663,456.36/994,595.16 = 258,554.88/x - Step 3: Cross multiply
663,456.36x = 994,595.16 × 258,554.88 - Step 4: Simplify right side
663,456.36x = 257,157,432,242.38 - Step 5: Solve for x
x = 257,157,432,242.38/663,456.36 - Step 6: Final answer
x = 387,602.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.